Bio-geochemical
Cycles
Quiz I
Ecosystem
Problem set I
Ecology Test
Test 1 Test 2
Test 3 Test
4
Test 5 Test
6
Test 7 Test
8
Test 9 M/C
Energy Calculation
Quiz 1 Quiz 2
Human Ecology
Quiz 1 Quiz
2
Quiz 3
Population Dynamics
Quiz 1 Quiz
2
Quiz 3 Quiz
4
Quiz 5 Quiz
6
Review
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- Algae are one-celled plants which act exactly like "big" plants except that since they are only one cell big. Most very small animals eat algae as a source of food.
a) What basic assumption makes any exponential growth flawed?
b) The alage in my aquarium are reproducing at a rate of .08 per day. Currently, there are 100 cells/cm2. When will there be 400 cells/cm2?
- What is the ZPG for humans right now?
- The typical predator prey curve is a sequence of J-curves. A government biologist, Patsy, claims to have found way by which the preys population can be made
sigmoidal. What might the idea be?
- Sketch and label the three population pyramids.
- For the pyramids above, which best represents a preys (such as earthworms) profile? Explain your logic.
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