Biology Introduction to Ecology Exam

1.

1 point

The biotic component

consists of only the atmosphere.

consists of the nonliving chemical and physical factors.

consists of only the lithosphere.

consists of the living factors.

2.

1 point

The ecosystem

is the entire global system.

is all the interacting organisms living in one area

is all the members of a species living in one place at one time.

includes all the living and nonliving environment in a particular place.

3.

1 point

An ecosystem consists of

All of the above.

the soil, water, and weather.

energy.

a community or organisms.

4.

1 point

Coal, oil, and natural gas

are formed from decayed plants.

release carbon dioxide when they are burned.

all of these

are fossil fuels.

5.

1 point

__________________ is considered the original energy source and powers nearly all the ecosystems.

Sunlight

Rocks and Soil

Wind

Temperature

6.

1 point

_________________ response is when the organisms changes it body shape or anatomy to respond to environmental challenges.

Anatomical

Acclimation

Environmental

Behaviorial

7.

1 point

Which of the following is not part of the nitrogen cycle?

conversion of nitrogen from decaying organisms into ammonia

nitrogen evaporation

conversion of atmospheric nitrogen into usable organic compounds by bacteria

nitrogen fixation

8.

1 point

Refer to illustration A. on the additional sheet given to you. Among all of the food chains, the organisms at the highest trophic level are

the killer whales.

the krill.

the crabeater seals.

the algae.

9.

1 point

The biosphere

includes all the living and nonliving environment in a particular place.

is the entire global system.

is all the members of a species living in one place at one time.

is all the interacting organisms living in an area.

10.

1 point

Refer to illustration A. on the additional sheet given to you. The photosynthetic algae are

producers.

decomposers.

consumers.

parasites.

11.

1 point

The populations

includes all the living and nonliving environment in a particular place.

are all the members of a species living in one place at one time.

are all the interacting organisms living in an area.

is the entire global ecosystem.

12.

1 point

Refer to illustration A. on the additional sheet given to you. The leopard seals are

omnivores.

herbivores.

carnivores.

producers.

13.

1 point

The environment can be divided into which two major components?

sunlight and oxygen components

rock and soil componens

abiotic and biotic components

population and community components

14.

1 point

Organisms that manufacture organic nutrients for an evosystem are called

predators.

consumers.

producers.

omnivores.

15.

1 point

The communities

includes all the living and nonliving environment in a particular place.

are all the members of a species living in one place at one time

are all the interacting organisms living in an area

are the entire global ecosystem.

16.

1 point

The specific physical location in which a given species lives is called its

community.

habitat.

climate.

abiotic factor.

17.

1 point

Dertritivores eat_____________________________.

plants only.

garbage.

plants and animals.

animals only.

18.

1 point

Ecology that is concerned with groups of individuals of the same species living in the same area are called

ecosystem ecology.

population ecology.

organismal ecology.

community ecology.

19.

1 point

All organisms in an ecosystem are linked together in a network of interactions. This is called

geochemical processes.

interdependence.

isolation.

communication.

20.

1 point

Cows are herbivores like

plants are producers.

algae are consumers.

horses are carnivores.

caterpillars are producers.

21.

1 point

Precipitation and evaporation are important components of the

carbon cycle.

all of these.

water cycle.

nitrogen cycle.

22.

1 point

Owls are

herbivores.

omnivores.

dertritivores.

carnivores.

23.

1 point

An abiotic component

consists of only the atmosphere.

consists of living factors.

consists of only the lithosphere.

consists of nonliving chemical and physical factors.

24.

1 point

The branch of ecology that is concerned systems that include all the abiotic factors in addition to the community of species in a certain area is called

community ecology.

ecosystem ecology.

organismal ecology.

population ecology.

25.

1 point

_______________ response is when animals respond in action usually by moving to a new location when unfavorable changes occur in their environment.

Behavioral

Anatomical

Environmental

Production

26.

1 point

Humans affect the carbon cycle by

burning fossil fuels.

all of these

destroying vegetation that absorbs carbon dioxide.

clearing forests.

27.

1 point

A group of organisms of different species living together in a particular place is called a

biome.

community.

habitat.

population.

28.

1 point

Refer to illustration B. on the additional sheet given to you. On the pyramid, animals that feed on plant eaters are no lower than

level 4.

level 3.

level 1.

level 2.

29.

1 point

The branch of ecology that is concerned with populations of different species is called

ecosystem ecology.

community ecology.

organismal ecology.

30.

1 point

An organism's niche includes

where it eats.

when it eats.

what it eats.

all of these

31.

1 point

Refer to illustration A. on the additional sheet given to you. The diagram, which shows how energy moves through an ecosystem, is called a

food web.

food chain.

trophic level.

habitat net.

32.

1 point

The branch of ecology that is concerned with the evolutionary adaptations that enable individual organisms to meet the challenges posed by their abiotic environments is

organismal ecology.

ecosystem ecology.

community ecology.

population ecology.

33.

1 point

The organism

is one living thing.

is the entire global system.

includes all the living and nonliving environment in a particular place.

is all the members of a species living in one place at one time.

34.

1 point

The study of the interaction of living organisms with each other and with their physical environment is called

health

ecology

geology

economy

35.

1 point

The primary producers in a grassland ecosystem would most likely be

grasses.

algae.

bacteria.

insects.