How do populations increase in size

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Reference no: EM133932733

Assignment:

Environment Science: Sustaining Your World pages 141-147. 5.3 What limits the Growth of Populations? Answer the following questions.

1. Groups such as a pack of wolves, school of fish, and a flock of birds are called a?

2. How do populations increase in size?

3. How do populations decrease in size?

4. What's the difference between immigration and emigration?

5. How do populations age structure?

6. List the various age groups

A. Pre-productive:

B. Reproductive:

C. Post-reproductive:

D. Range of Tolerance

7. What is range of tolerance?

8. Why might an individual have slightly different tolerances for temperature and chemical factors?

9. What is population density?

10. List an examples of density-dependent limiting factors?

11. Some factors are density-dependent because they can affect population sizes regardless of density. List two examples:

12. Rapidly growing populations of any species eventually reaches some size limits imposed by limiting factors, lust at least three of these limiting factors.

13. What is the maximum population of a species that a habitat can sustain indefinitely?

14. What patterns do r-selected species show?

15. What patterns do k-selected species show?

16. List the three generalized types and examples of survivorship curves.

Reference no: EM133932733

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