21. Which of the following is NOT a level of organization in ecology?
a) Population
b) Community
c) Ecosystem
d) Species
Answer: d
22. Which of the following is NOT a way that humans have impacted the biosphere?
a) Climate change
b) Pollution
c) Overfishing
d) None of the above
Answer: d
23. Which of the following is NOT an example of a nonrenewable resource?
a) Coal
b) Oil
c) Wind
d) Natural gas
Answer: c
24. What is the term for the maximum number of individuals of a species that can be supported by a particular ecosystem?
a) Carrying capacity
b) Population density
c) Population growth
d) None of the above
Answer: a
25. Which of the following is an example of a primary producer?
a) Deer
b) Grass
c) Hawk
d) None of the above
Answer: b
