50 points / will mark BRAINLIEST IF ANSWERED quickly!


1. List three density-dependent factors and three density-independent factors that can limit a population's growth.

2. What is the relationship between competition and population size?

3. Give an example of a density-independent limiting factor that has affected a human population. Describe how this factor changed the human population.

4. Describe the long-term effects of competition on populations of two different species competing for the same resources.

5. How do parasites serve as a density-dependent factor?

6. How can you account for the fact that the human population has grown more rapidly during the past 500 years than throughout it's previous history?

7. How does the age structure of a population affect it's growth rate?

8. Explain how a limited resource can affect the survival of a species. Give a specific example.