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Ecology Unit Objectives
AP Bio 2017
scientific skills pg 860 due Monday 3/13
Scientific skills pg 893 due Friday 3/17
Concept checks for all listed sections due on test day
Test date 3/24
Labs: factors effecting the hatching of brine shrimp
Productivity in an ecosystem (maybe)
Chapter 40 Populations
1. Distinguish between species distribution and species dispersal. What factors can contribute to
2. Distinguish between biotic an abiotic factors and give several examples of each
3. How might #2 above contribute to #1 above?
4. Describe 3 different patterns of dispersion
5. What type of information can a life table convey?
6. What do survivorship curves show and what is the difference between types I, II, and III?
7. What equation can ecologists use to represent population growth. Be able to explain each term
in the equation
8. Describe (verbally) what is happening to a population undergoing exponential population
growth. Use an equation to describe this.
9. Describe what is meant by carrying capacity and how this results in logistic growth.
10. What is meant in ecology by “life history” and relate this to trade-offs.
11. Contrast species that are r-selected to those that are K-selected. Give specific examples.
12. What is Q and how does this relate to density-independent and density-dependent birth and
death rates.
13. Describe several examples of regulating a population via density-dependent population
Chapter 41 communities
14. Describe several interactions within a community that fall into the following categories (-/-), (/+), (+/+ and +/0)
15. Give several examples of mechanisms organisms can use to escape predation.
16. What are the components of species diversity?
17. Describe the trophic structure within a community and the relationship that a keystone species
has within it.
18. Describe what is meant by succession and what differentiates between primary and secondary
Chapter 42 Ecosystems
19. Describe the difference between energy flow and chemical cycling in an ecosystem
20. What is meant by production within an ecosystem
21. What is net primary production and how is it calculated?
22. How is net ecosystem production calculated?
23. What are limiting factors and give some examples
24. Describe an energy pyramid and what it shows.
Helpful videos from Bozeman Science:
“R and K Selection”, “Populations”, “Communities”, “Ecosystems”