Which of the following methods will provide

10 Jun Which of the following methods will provide

Question
4. Which of the following methods will provide

information to an ecologist about both the size and density

of a population?

a. mark and recapture

b. mark and release

c. quadrat

d. life table

5. Which of the following is best at showing the life

expectancy of an individual within a population?

a. quadrat

b. mark and recapture

c. survivorship curve

d. life table

6. Human populations have which type of survivorship

curve?

a. Type I

b. Type II

c. Type III

d. Type IV

7. Species with limited resources usually exhibit a(n)

________ growth curve.

a. logistic

b. logical

c. experimental

d. exponential

8. The maximum growth rate characteristic of a species is

called its ________.

a. limit

b. carrying capacity

c. biotic potential

d. exponential growth pattern

9. The population size of a species capable of being

supported by the environment is called its ________.

a. limit

b. carrying capacity

c. biotic potential

d. logistic growth pattern

10. Species that have many offspring at one time are

usually:

a. r-selected

b. K-selected

c. both r- and K-selected

d. not selected

11. A forest fire is an example of ________ regulation.

a. density-dependent

b. density-independent

c. r-selected

d. K-selected

12. A country with zero population growth is likely to be

________.

a. in Africa

b. in Asia

c. economically developed

d. economically underdeveloped

13. Which type of country has the greatest proportion of

young individuals?

a. economically developed

b. economically underdeveloped

c. countries with zero population growth

d. countries in Europe

14. Which of the following is not a way that humans have

increased the carrying capacity of the environment?

a. agriculture

b. using large amounts of natural resources

c. domestication of animals

d. use of language

15. The first species to live on new land, such as that

formed from volcanic lava, are called________.

a. climax community

b. keystone species

Chapter 19 | Population and Community Ecology 527

c. foundation species

d. pioneer species

16. A symbiotic relationship where both of the co-existing

species benefit from the interaction is called ________.

a. commensalism

b. parasitism

c. mutualism

d. communism

17. When an invasive species alters the community

structure it is introduced to, what can the consequence be?

a. extinction of economically important species

b. reduced predation on some native species

c. increased predation on some native species

d. all of the above