Environmental Science CDE - Chapter 9

The branch of biology that studies animal life is...

a. limnology

b. zoology

c. silviculture

d. botany

B

The suckling ability of a newborn mammal is an example of which animal behavior?

a. learned

b. experiential

c. instinctive

d. manipulative

C

An animal that has canine teeth is most likely to eat a diet of...

a. grasses and herbs

b. meat

c. insects

d. worms and grubs

B

A ruminant animal is most likely to eat a diet of...

a. grasses and herbs

b. meat

c. insects

d. worms and grubs

A

A wildlife population that is forced to feed, water, or travel too great a distance from its escape cover is likely to encounter a high rate of...

a. mortality

b. growth

c. reproduction

d. survival

A

A learned behavior that improves the chances for a wild animal to survive is also known as...

a. manipulative behavior

b. nonadoptive behavior

c. erratic behavior

d. adaptive behavior

D

When two species of wildlife live together for the benefit of both, the relationship is called...

a. mutualism

b. parasitism

c. commensalism

d. competition

A

Landowners, managers, and users are responsible not only to their own generation but also to all future generations for the care and management of the land and water resources. This is an example of...

a. non adaptive behavior

b. low biotic potential

c. good stewardship

d. the endangered species act

C

The greatest single cause of extinction is...

a. the destruction or modification of habitat

b. overharvesting

c. a nonadapative behavior

d.an alien species

A

The U.S. Endangered Species Act defines an endangered species as...

a. organisms that are declining in population but can reasonably be expected to survive if immediate steps are taken to protect their habitat

b. a population whose members have all died

c. a species that is at risk of becoming extinct because of small numbers in the population in all or most of its range

d. a species that threatens the safety of humans.

C

Low biotic potential is defined as...

a. the failure to adapt well to a changing environment

b. a slow reproductive rate

c. a high susceptibility to poisons in the environment

d. the production of large numbers of offspring each year.

B

Which of the following is a characteristic of an endangered species?

a. low biotic potential

b. ability to eat more than one kind of food

c. easy adaptation to the presence of humans

d. easy adaption to new habitats

A