Biology 2201
Course Description
This course begins the study of introductory biology. Topics include the cell and cellular transport, diversity of life, homeostasis of human biology systems and population biology.
Authorized Learning Resource
Homework Central
Wed Apr 17: Please review our continued notes and discussion exploring the (5)
Pancreas. Be able to discuss maintaining homeostasis of
blood sugar in 2 situations: Situation 1 - after a meal when blood glucose
is too high...to be continued. Situation
2 - before a meal when blood glucose is too low. Be familiar with the 3 G
words (glucose, glycogen & glucagon) and be able to explain why the
symptoms of untreated diabetes occur...to be
continued.
Assign 2 - Endocrine Disorder Research (Due Wed)
Update The Gland / Hormone Summary Table
Tues Apr 16: Career field trip. Students in class were given time to work on the Endocrine Research Assignment and to update their gland / hormone summary tables.
Assign 2 - Endocrine Disorder Research (Due Wed)
Update The Gland / Hormone Summary Table
Fri Apr 12: Please review our continued notes and discussion of Gland / Hormone Combinations. (5) Adrenal Cortex and its hormones (a) glucocorticoids (cortisol). Note that cortisol is a long-term stress hormone and provides energy by increasing glucose in the blood and reducing inflammation, (b) mineral corticoids (aldosterone) and its role in increasing sodium in the blood, blood pressure and osmoregulation. (c) androgen and estrogens in small amounts. Also review our introduction to the (5) Pancreas and its hormones released from Islet of Langerhans Cells: alpha cells - secreting glucagon which raises blood sugar and beta cells secreting insulin which lowers blood sugar. These are another set of antagonistic hormones.
Assign 2 - Endocrine Disorder Research (Due Wed)
Update The Gland / Hormone Summary Table
Thurs Apr 11: Please review our continued notes and discussion of Gland / Hormone Combinations: (4) Adrenal Gland (medulla) and its hormones (a) adrenaline / epinephrine and (b) noradrenaline / norepinephrine. Note that these hormones are complementary and are involved in the short-term stress response (fight or flight). These hormones are also neurotransmitters and this shows the connection between the nervous and endocrine systems. (5) Adrenal Cortex and its hormones (a) glucocorticoids (cortisol). Note that cortisol is a long-term stress hormone and provides energy by increasing glucose in the blood and reducing inflammation...to be continued.
Assign 2 - Endocrine Disorder Research (Due Wed)
Update The Gland / Hormone Summary Table
Wed Apr 10: Please review our notes and discussion exploring gland / hormone combinations: (2) Thyroid Gland (b) calcitonin. (3) Parathyroid Gland (a) parathyroid hormone (PTH). Be familiar with how parathyroid hormone and calcitonin work as antagonistic hormones to control blood calcium level (situation 1: blood calcium too high, situation 2: blood calcium too low).
Update the Gland / Hormone Summary Table
Mon Apr 8: Please review our continued notes and discussion exploring Gland / Hormone Combinations. Be able to label a diagram locating these glands in the body. (2) Thyroid Gland (a) thyroxine (T4 - which control metabolic rate) - be familiar with the negative feedback loop for thyroxine homeostasis....to be continued.
Update the Gland / Hormone Summary Table
Thurs Mar 28: Please review our continued notes and discussion of Gland / Hormone Combinations. Be able to label a diagram identifying the location of glands in the body. For each hormone be familiar with the target cell and its effect. (1) Anterior Pituitary Gland and its hormone (a) human growth hormone (hGH / somatotropin)...to be continued.
Tues Mar 26: Please review our notes and discussion of Hormone Types: (1) steroid hormones (fat soluble) and (2) protein hormones (be familiar with the second messenger hypothesis). Also review our introduction to Glands and the hormones they secrete: (1) Anterior Pituitary - (a) human growth hormone (HGH)...to be continued.
Assign 1 - Endocrine Question (Due Thurs)
Mon Mar 25: Please review our introduction to Unit 3 (B) - The Endocrine System. Note a definition of the endocrine system, hormones and endocrine glands. Also review the concept of target cells and target organs. Note the differences and similarities between nervous and endocrine function and the physical connection between the 2 systems (the hypothalamus-pituitary connection).
Fri Mar 22: Students wrote Unit 3 (A) - Nervous System Test.
Wed Mar 20: This period was used as a review class in preparation for the upcoming Unit 3 (A) - Nervous System Test.
Unit 3 (A) - Nervous System Test (Fri March 22)
Tues Mar 19: Please review our continued discussion of The Synapse. Note the steps for an impulse to cross the synapse (refer to the diagram). Note what happens to neurotransmitters once their job in the synapse is complete. Be familiar with 2 types of neurotransmitters and their impact on the post-synaptic neuron. We examined examples of excitatory and inhibitory neurotransmitters
....to be continued.
Unit 3 (A) - Nervous System Test (Fri March 22)
Fri Mar 15: Please review our continued notes and discussion exploring Impulse Transmission on the Neuron: (3) repolarized (refractory period). Note how the strength of a response is determined. Also review our introduction to The Synapse. Note the definition of a synapse, pre-synaptic neurons, post-synaptic neurons...to be continued.
Unit 3 (A) - Nervous System Test (Fri March 22)
Thurs Mar 14: Please review our introduction to Impulse Transmission on the Neuron. Be familiar with the 3 stages of impulse transmission. Know the key events at each stage and be able to recognize these on a potential energy graph: (1) polarized (resting potential, (2) depolarized (action potential dependent on the all or none response and threshold)....to be continued.
Unit 3 (A) - Nervous System Test (Fri March 22)
Wed Mar 13: Students completed Lab 2 - Reflexes.
Lab 2 - Reflexes (Due Thurs)
Unit 3 (A) - Nervous System Test (Fri March 22)
Mon Mar 11: Please review our continued notes and discussion of the Pathway for a Reflex / Reflex Arc: (3) sensory neuron, (4) interneuron, (5) spinal cord, (6) motor neuron, (7) effector and (8) response. Note that reflexes occur without thinking and do not have direct brain involvement. They have survival value.
Mon Mar 4: Please review our continued notes and discussion of the Structure of a Neuron (a single nerve cell): (d) myelin sheath, (e) Schwann Cells, (f) nodes of Ranvier and (g) axon terminal. Also review our introduction to the Pathway for a Reflex / Reflex Arc: (1) stimulus, (2) sensory receptor......to be continued. Be able to label a diagram. Be familiar with the definition of a reflex arc....to be continued.
Wed Feb 28: We completed a summary flow chart for the nervous system. Students selected topics for Assign 2 - Nervous System Disorder Research. Please review our notes and discussion
exploring the Structure of a Neuron (a single nerve cell). Be familiar with the parts of the neuron, their functions and be able to label a diagram: (a) cell body (soma), (b) dendrites, (c) axon, (d) myelin sheath...to be continued.
Assign 2 - Nervous System Disorder Research (Due Mon)
Mon Feb 26: Please review our continued notes and discussion of the (2) Peripheral Nervous System (PNS). Note the functions of both its divisions (a) autonomic nervous system (both the sympathetic & parasympathetic branches) and the (b) somatic nervous system. We completed a summary flow chart for the nervous system.
Assign 2 - Nervous System Disorder Research (Due Thurs)
Fri Feb 23: We competed discussion of brain parts and functions (vii) - pons. Students completed Lab 1 - The Sheep Brain Dissection.
Lab 1 - Sheep Brain Dissection (Due Fri)
Thurs Feb 22: Please review our notes and discussion exploring the Organization of the Human Nervous System. Be familiar with the following brain parts, their functions and location on a diagram: FOREBRAIN (i) cerebrum (including cerebral cortex, corpus callosum & the 4 lobes), (ii) thalamus, (iii) hypothalamus. MIDBRAIN (iv) midbain. HINDBRAIN (v) cerebellum, (vi) medulla oblongata and (vii) pons.
Assign 1 - Central Nervous System / The Brain (Due Fri)
Tues Feb 20: Please review our notes and discussion exploring the Organization of the Human Nervous System. Note the difference between grey matter and white matter. (1) Central Nervous System: (a) spinal cord and (b) brain. Note three ways that the brain is protected (skull, meninges & cerebrospinal fluid). Be familiar with the following brain parts, their functions and location on a diagram: FOREBRAIN (i) cerebrum (including cerebral cortex...to be continued.
Mon Feb 19: Please review our introduction to Unit 3 - Maintaining Homeostasis (Part A - The Nervous System). Be familiar with a definition of homeostasis and the importance of maintaining this internal steady state. Note how homeostasis is achieved through a negative feedback loop which is associated with a healthy body. We used temperature regulation as a example. Note the opposite positive feedback loop which is associated with disease or change. We used high blood pressure and labor as examples. We are introduced (A) - The Human Nervous System....to be continued
Tues Feb 13: Students completed the Unit 2 Test - Processes That Sustain Life (The Cell).
Fri Feb 9: This class was used as a review period in preparation for our upcoming test.
Unit 2 Test - Tues Feb 13th
A Review Sheet Has Been Posted In Your Google Classroom
Mon Feb 5: Please review our continued notes and discussion of Biological Molecules: (3) Macromolecules (b) lipids (fats) (phospholipids, steroids and waxes) and (c) amino acids and their functions. The remainder of the class was used for review in preparation for the upcoming test.
Unit 2 Test - Tues Feb 13th (New Date)
A Review Sheet Has Been Posted In Your Google Classroom
Wed Jan 31: Please review our continued notes and discussion of Biological Molecules: (3) Macromolecules (a) carbohydrates and their functions (simple carbs & complex carbs), (b) lipids (fats) and their functions (triglycerides, phospholipids, steroids & waxes)...to be continued. Students were given the opportunity to review their January Cumulative Assessments.
Unit 2 Test - Fri Feb 9th
A Review Sheet Has Been Posted In Your Google Classroom
Tues Jan 30: All assignments were returned to students in preparation for the unit test. Please review our notes and discussion of Biological Elements and Molecules in Cells: (1) Elements. Be familiar with the 4 major elements in ALL cells - oxygen, carbon, hydrogen & nitrogen. (2) Water. Be familiar with the function of water in cells. (3) Macromolecules...to be continued.
Unit 2 Test - Fri Feb 9th
A Review Sheet Has Been Posted In Your Google Classroom
Fri Jan 26: Please review our continued notes and discussion of Energy in Cells. Note the 2 types of metabolism: (1) Catabolism. Be familiar with the 2 catabolic reactions that compose the ATP-ADP Cycle: (a) ATP catabolism and (b) glucose catabolism. Glucose metabolism occurs in 4 stages...to be continued.
Unit 2 Test - Fri Feb 9th
A Review Sheet Has Been Posted In Your Google Classroom
Thurs Jan 25: Please review our continued notes and discussion of Limits to Cell Size: (4) surface area to volume ratio. Note that small cells have small volumes and small surface areas BUT large surface area to volume ratios. This is important when feeding / absorbing nutrients. Students completed Assign 2 - Cell Size in class. Also review our introduction to Energy in Cells. Be familiar with the 2 types of energy reactions in cells: (1) Catabolism. This is a bond breaking and energy releasing reaction that occurs in the mitochondria of cells on the cristae (inner folded membrane)...to be continued.
Assign 2 - Cell Size (Due Thurs)
Wed Jan 24: Students worked on Assign 1 - Transport which is a Google Form on Google Classroom. Please review our notes and discussion exploring Limits to Cell Size. It is an advantage for a cell to remain small. Note the following reasons; (1) limits to diffusion distance, (2) control by the nucleus, (3) collision of reactants...to be continued.
Assign 1 - Transport (Due Wed)
Mon Jan 22: Please review our continued notes and discussion of (2) Active Transport - (b) exocytosis. We reviewed ALL forms of transport using a flow diagram.
Assign 1 - Transport (Due Wed)
Fri Jan 19: Please review our continued notes and discussion of (1) Passive Transport (c) facilitated diffusion (carrier proteins for large molecules & channel proteins for ion). Also review our introduction to (2) Active Transport. Note the use of ATP to work against a concentration gradient. (a) endocytosis (pinocytosis & phagocytosis)...to be continued. Note that these are considered membrane-assisted transport because of the use of the cell membrane and vesicles...to be continued.
Lab 2 - Osmosis (Due Mon)
Wed Jan 17: Students continue to collect data for Lab #2 - Osmosis. Students completed and submitted this lab report.
Tues Jan 16: Students completed the Cumulative Assessment on Unit 2 - Processes That Sustain Life (The Cell).
Mon Jan 15: Students completed the Cumulative Assessment on Unit 1 - Ecosystem Interactions and Population Dynamics.
Thurs Jan 11: Students collected data for Lab #2 - Osmosis. We discussed a sample question for Part 1 of the Cumulative Assessments.
Wed Jan 10: Please review our continued notes and discussion of (1) Passive Transport (b) Osmosis. Be familiar with the terms hypotonic, hypertonic and isotonic and the conditions in animal and plant cells: lyse, turgid, crenate and plasmolyzed. We worked through several sample questions involving osmosis. We also completed a pre-lab for Lab #2 - Osmosis.
Mon Jan 8: Please review our introduction to the topic of Cell Transport; moving materials into or out of the cell membrane. Note the types of transport: (1) active transport (a) simple diffusion - movement of particles from high concentration to low concentration down a concentration hill, why this diffusion occurs (Brownian Motion), the concept of a dynamic equilibrium and the situations where diffusion applies in cells (small molecules, uncharged, over short distances, with large concentration gradients). Also review (b) osmosis. Be familiar with the terms hypotonic, hypertonic....to be continued.
A Schedule Has Been Posted In Your Google Classroom For
January Cumulative Assessments
Thurs Jan 4: Students completed Unit 2 Quiz 3.
A Schedule Has Been Posted In Your Google Classroom For
January Cumulative Assessments
Tues Jan 2: Please review our introduction to the Cell Membrane.
Be familiar with the parts of the phospholipid bilayer, their functions and be able to label a diagram: (a) polar phosphate "heads", (b) fatty acid "tails", (c) membrane proteins, (d) cholesterol and (e) carbohydrates. Also review what is meant by the fluid mosaic model of the cell membrane.
Unit 2 Quiz 3 - Thurs Jan 4
A Schedule Has Been Posted In Your Google Classroom For
January Cumulative Assessments
Fri Dec 15: Please review our continued notes and discussion of the Eukaryotic Plant Cell and its unique organelles: (1) cell wall, (2) central vacuole and (3) chloroplast. Also review our introduction to the Cell Membrane. Note the meaning of the term "selectively permeable" and that the membrane acts like a gate allowing entry of particles based on (a) particle size and (b) particle charge...to be continued.
Unit 2 Quiz 3 - Thurs Jan 4
A Schedule Has Been Posted In Your Google Classroom For
January Cumulative Assessments
Thurs Dec 14: Please review our continued notes and discussion exploring the Organelles of the Eukaryotic Animal Cell: (8) transport vesicles, (9) vacuole, (10) cytoplasm, (11) cytoskeleton and (12) cilia / flagella. Be able to label a cell diagram. Also review our introduction to the Eukaryotic Plant Cell. Be able to label a diagram of a eukaryotic plant cell....to be continued.
Tues Dec 12: Please review our continued notes and discussion exploring the Organelles of the Eukaryotic Animal Cell: (6) mitochondria, (7) lysosomes, (8) transport vesicles, (9) vacuole, (10) cytoplasm, (11) cytoskeleton and (12) cilia / flagella. Be able to label a cell diagram.
Mon Dec 11: Please review our continued notes and discussion exploring the Organelles of the Eukaryotic Animal Cell: (3) ribosomes, (4) endoplasmic reticulum - smooth ER & rough ER, (5) Golgi apparatus...to be continued.
Wed Dec 6: Please review our continued notes and discussion exploring Prokaryotic Cells and Eukaryotic Cells based on the following headings: (3) structure & size, (4) organelles present or absent, (5) DNA, (6) number of cells and (7) metabolism. Also review our introduction to the Eukaryotic Animal Cell. Be familiar with the following organelles, their functions and position on a diagram: (1) nucleus, (2) nucleolus, (3) ribosomes...to be continued.
Tues Dec 5: Students started class completing a worksheet comparing the microscope types. Please review our notes and discussion exploring Two Major Types of Cells: Prokaryotic Cells & (2) Eukaryotic Cells. Note the differences between these cells with respect to the following headings: (1) organisms included, (2) presence or absence of a nucleus...to be continued.
Fri Dec 1: Please review our continued notes and discussion
exploring the Types of Microscopes: (2) transmission electron
microscope (TEM), (3) dissecting microscope (stereoscope) and (4) scanning electron microscope (SEM). Students completed a worksheet comparing these microscope types.
Lab 1 - Cmpd Light Microscope (Biological Drawing + Biological Size)
Due Tues
Thurs Nov 30: We started class discussing the correct format for a biological drawing. Students worked in the lab examining their wet mount of an onion cell for Lab #1 - The Compound Light Microscope. Students completed a biological drawing of the onion cell and estimated its biological size. For the remainder of the period students worked on their lab report.
Lab 1 - Cmpd Light Microscope (Biological Drawing + Biological Size)
Due Tues
Tues Nov 28: Students completed Unit 2 Quiz 1 - The Compound Light Microscope (Parts and Functions). For the remainder of the period students went to the lab to begin Lab #1 - Compound Light Microscope. Today they began preparing a wet mount of an onion cell using iodine as a stain...to be continued.
Mon Nov 27: Please review our continued notes and discussion of Compound Light Microscope Terms and Calculations: (9) calculating biological size (formula and sample problems - refer to the worksheet). We also introduced our the Types of Microscopes and how they function (refer to the handout): (1) compound light microscope...to be continued.
Unit 2 Quiz 2 Microscope Parts and Functions (Tues)
Wed Nov 22: Please review our continued notes and discussion of Compound Light Microscope Terms: (3) depth of field, (4) working distance, (5) resolving power, (6) image inversion, (7) specimen, (8) wet mount procedure, (9) calculating biological size (formula and sample problems)...to be continued.
Lab 4 - Competition (Due Mon)
Unit 2 Quiz 2 Microscope Parts and Functions (Tues)
Tues Nov 21: Students completed their final observations for Lab 4 - Competition.
Lab 4 - Competition (Due Mon)
Unit 2 Quiz 2 Microscope Parts and Functions (Tues)
Fri Nov 17: Students wrote Unit 2 Quiz 1.
Thurs Nov 16: Please review our continued notes and discussion exploring Parts and Functions of the Compound Light Microscope: (d) revolving nosepiece, (e) body tube, (f) stage, (g) arm, (h) course adjustment knob, (i) fine adjustment knob and (j) diaphragm. Also review the following terms and calculations: (1) total magnification, (2) field of view...to be continued.
Unit 2 Quiz 1 (Fri Nov 17th)
Wed Nov 15: Students completed Week 2 observations for Lab 4 - Competition.
Unit 2 Quiz 1 (Fri Nov 17th)
Fri Nov 10: Please review our continued notes and discussion exploring the contribution of the following scientists to the Cell Theory: (2) Leeuwenhoek, (3) Brown, (4) Schleiden, (5) Schwann, (6) Von Mohl, (7) Perkin and (8) Virchow. Be familiar with the 4 points of the Cell Theory. Also review our introduction to the compound Light Microscope. Note the following parts / functions and be able to label a diagram: (a) ocular lens, (b) objective lens, (c) condenser lens...to be continued.
Unit 2 Quiz 1 (Fri Nov 17th)
Thurs Nov 9: Please review our continued notes and discussion of the Spontaneous Generation Biogenesis Debate surrounding the origin of the first cells: (5) Spallanzani, (6) Pasteur and (7) Miller & Urey. Also review the contributors to the Cell Theory: (1) Hooke, (2) Leeuwenhoek...to be continued. Note the importance of the microscope in the development of this theory.
Tues Nov 7: Students wrote the Unit 1 Test - "Ecosystem Interactions and Population Dynamics".
Mon Nov 6: This period was used for review in preparation for the upcoming Unit 1 Test. The class also collected Week 1 of data for Lab 4 - Competition.
Unit 1 Test - Tues Nov 7
Fri Nov 3: Please review our introduction to Unit 2: Processes That Sustain Life (The Cell). We started this unit with a discussion surrounding 2 Theories Regarding The Origin of The First Cells: spontaneous generation vs biogenesis. Note the scientists who supported each side of this debate and their experiments: (1) Aristotle, (2) Van Helmont, (3) Redi, (4) Needham, (5) Spallanzani...to be continued.
Unit 1 Test - Tues Nov 7
Wed Nov 1: Please review our continued notes and discussion of (4) Population Pyramids - stable populations. Also review our discussion of an Ecological Footprint. Note the definition and the 6 categories of humans demands. Also review the definition of biocapacity. Note that the large ecological footprint of developed countries has a tremendous impact on biodiversity. Note 3 types of biodiversity and how they are impacted by human population growth: (a) species diversity, (b) genetic diversity and (3) ecosystem diversity.
Unit 1 Test - Tues Nov 7
Tues Oct 31: Please review our continued notes and discussion exploring methods of measuring population growth (3) Demographic Transition Model - Stages 1 through Stage 5 and (4) Population Pyramids. Be familiar with the shapes of expansive, constrictive and stable populations and how these can be used to predict population growth.
Unit 1 Test - Tues Nov 7
Fri Oct 27: Please review our introduction to Human Population Growth. Note that humans follow an extreme k strategy. Note the importance of the Industrial Revolution and advances in science and medicine that have resulted in a J-shaped population growth curve explosion. Review the methods of measuring population growth: (1) percent population growth, (2) doubling time, (3) Demographic Transition Model...to be continued.
Unit 1 Test - Tues Nov 7
Thurs Oct 26: Students completed a pre-lab and setup Lab 4 - Competition.
Unit 1 Test - Tues Nov 7
Wed Oct 25: Please review our continued notes and discussion of Interactions in Communities: (3) symbiosis (a) mutualism, (b) commensalism and (c) parasitism and (4) invasive species interactions. Note chemical control and biological control of invasive species.
Unit 1 Test - Tues Nov 7
Mon Oct 23: Please review our notes and discussion of Interactions in Communities: (1) Competition. Note why organisms compete and the 2 types of competition: (a) intraspecific competition (know how organisms reduce this competition) and (b) interspecific competition (know the 2 possibilities coexistence or competitive exclusion), (2) predator prey interactions...to be continued.
Assign 4 - Due Wed
Fri Oct 20: Please review our notes and discussion of Life Strategies of Organisms (Reproductive Patterns). Note the factors that impact the reproductive patterns of organisms ex: number of offspring and level of parental care. Be familiar with 2 opposite strategies (1) r strategy ex: fish and (2) k strategy ex: mammals. Be able to sketch and explain the survivorship curve for both.
Assign 4 - Due Wed
Wed Oct 18: Please review our continued notes and discussion of Carrying Capacity. Note the definition of Limiting Factors and 2 types of limiting factors: (a) density dependent factors - biotic factors and (b) density independent factors - abiotic factors. Be familiar with the term environmental resistance.
Tues Oct 17: We completed population change sample problems and discussed a population explosion (infestation). Also review 2 Scenarios For Population Growth: (1) population growth in unlimited environments. Note the J-shaped curve and its lag phase and exponential phase. Be familiar with the terms biotic potential and fecundity. (2) Population growth in limited environments. S-shaped curve and its 3 stages: lag phase, exponential phase and equilibrium phase. Be familiar with the term carrying capacity and be able to recognize this value on a graph.
Mon Oct 16: Students completed Lab 3 - Mark Recapture Sampling. Please review our continued notes and discussion of Changes in Populations. Be familiar with our sample problems for calculating a change in population size and the new population size...to be continued.
Lab 3 - Mark Recapture Sampling (Due Tues)
Thurs Oct 12: Please review our continued notes and discussion of Population Sampling Methods: (3) mark-recapture sampling. Note the definition, when this sampling method is chosen (for moving organisms such as animals), the 5 assumptions is maintain accuracy (ex: the animal does not lose a tag) and the formula. We worked through a sample problem and completed a pre-lab for Lab 3 - Mark Recapture Sampling. Also review our introduction to Changes in Populations. Note that this is part of a branch of Biology called demography. Populations will change based of these 4 demographics: (a) birth (natality), deaths (mortality), immigration (in) and emigration (out)...to be continued.
Wed Oct 11: Students gathered data for Lab #2 "Quadrat Sampling"
Lab 2 - Quadrat Sampling (Due Thurs)
Thurs Oct 5: Please review our continued notes and discussion of Population Sampling Methods: (2) quadrat sampling. We worked through a sample problem and completed a prelab for Lab 2 - Quadrat Sampling.
Wed Oct 4: Please review our notes and discussion exploring Distribution Patterns For Organisms: (1) clumped distribution, (2) uniform distribution and (c) random distribution. Also review our discussion of Precision vs Accuracy.
Lab 1 - Line Transect Sampling (Due Thurs)
Fri Sept 29: Students wrote the Unit 1 Quiz.
Wed Sept 27: We completed our sample problem using the line transect method of sampling. Students then went outside to gather data for Lab 1 - Line Transect Sampling.
Quiz - Fri Sept 29
Lab 1 - Line Transect Sampling (Due Wed)
Tues Sept 26: Please review our continued notes and discussion of Population Sampling. Be familiar with why sampling is useful, why biologists take many samples (increasing precision) and the importance of a random sample. We discussed our first sampling methods: (1) line transect sampling. We worked through a sample problem for a line transect sample...to be continued.
Please Bring Clothes For An Outdoor Lab In Tomorrow's Class
Mon Sept 25: Students were given the first portion of the period to complete their Canadian Biome Research. Please review our introduction to Population Sampling. Note the definitions of population size and population density along with appropriate units. We discussed how organisms are counted through (a) direct observation, (b) indirect methods (track, nest) and (c) through sampling. We discussed why sampling is useful...to be continued.
Canadian Biome Research (Due Tues)
Thurs Sept 21: Please review our continued notes and discussion of Canadian Biomes: (2) Marine Biome (b) intertidal zone (upper, middle and lower intertidal) (c) estuaries. (3) Freshwater Biomes (a) lakes and ponds (i) littoral zone, (ii) limnetic zone, (iii) benthic zone and (b) rivers. We introduced Assign 3 - Canadian Biome Research.
Canadian Biome Research (Due Tues) Quiz 1 - Fri Sept 29th
Wed Sept 20: Please review our continued notes and discussion of Canadian Biomes; (1) Terrestrial Biomes (c) temperate deciduous forest and (d) grasslands. (2) Marine Biome (a) pelagic zone - neritic zone and oceanic zone (b) intertidal zone (upper, middle and lower intertidal)...to be continued.
Quiz 1 - Fri Sept 29th
Mon Sept 18: Please review our continued notes and discussion of Canadian Biomes. Be able to define ecotones (an area of overlap between biomes) and note their importance. Be able to describe the (1) Terrestrial Canadian Biomes by exploring their temperature, precipitation, indicator plants, indicator animals and other special features: (a) tundra, (b) boreal forest, (c) temperate deciduous forest...to be continued.
Fri Sept 15: Please review our continued notes and discussion of the Flow of Energy In Ecosystems. We discussed examples of the transfer of energy to other forms that results in low trophic efficiency and the Rule of 10. This limits the number of trophic levels possible in ecosystems and explains why there are more plants than animals. Also review our introduction to Canadian Biomes. Note the definition of a biome and the 4 factors that determine the location of biomes: (1) climate, (2) latitude, (3) soil and (4) altitude. Note the factors that determine the spread of species within a biome: (1) abiotic factors and (2) an organism's range of tolerance for these abiotic factors...to be continued.
Assign 2 - Energy Flow (Due Mon)
Thurs Sept 14: Please review our continued notes and discussion of Energy Flow In Ecosystems. Note how ecologists represent energy flow through (1) food chains - note the producer & consumer roles as well as the various trophic levels. (2) food webs and (3) pyramids of energy. Be familiar with the First Law of Thermodynamics...to be continued.
Tues Sept 12: Please review our notes and discussion of Energy in Ecosystems. Note how energy is stored through (1) photosynthesis or (2) chemosynthesis. Note the similarities and differences between these equations. Also note how energy is used through (1) cellular respiration. The source of energy in ecosystems is continuous (solar energy) and it moves in a 1-way flow from sun to Earth. be familiar with the diagrams that ecologists use to represent energy flow: (1) food chain...to be continued.
Thurs Sept 7: We introduced Unit 1 Ecosystem Interactions and Population Dynamics. Note the definition of ecology and an ecologist. Ensure that your review the following components of the Biological Hierarchy: (1) organism (species), (2) population, (3) community, (4) ecosystem, (5) biome and (6) biosphere.
Assign 1 - Biological Hierarchy (Due Mon)
Wed Sept 6: Welcome to Biology 2201! Let's look forward to a great year of learning together. Today you received your course descriptor and evaluation scheme, had the opportunity to join our Google Classroom and were introduced to my website. The remainder of the period was used to distribute textbooks.
