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Ecology Test Ch 20

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

TRUE or FALSE: Consumers produce their own food.

a)

TRUE

b)

FALSE

2.

TRUE or FALSE: The source of almost all energy on Earth is the sun.

a)

TRUE

b)

FALSE

3.

TRUE or FALSE: The atmosphere is composed mostly of carbon dioxide.

a)

TRUE

b)

FALSE

4.

Which of the following is a living thing?

a)

air

b)

bee

c)

water

d)

honey

5.

As you move upward, from level to level in an energy pyramid, energy ______.

a)

is destroyed.

b)

stays at the same level.

c)

decreases.

d)

increases.

6.

Which of these is a name for the release of water vapor from leaves and stems of plants?

a)

transpiration

b)

precipitation

c)

evaporation

d)

condensation

7.

Every ecosystem requires which of the following to support life?

a)

heat

b)

plants

c)

water

d)

soil

8.

Which of the following is an abiotic factor?

a)

mold

b)

shell

c)

amoeba

d)

moss

9.

In the food web, which level has the lowest energy?

a)

wolf

b)

rabbit

c)

bird

d)

plant

10.

Which of the following is NOT part of the water cycle?

a)

precipitation

b)

condensation

c)

nitrogen fixation

d)

evaporation

11.

Which of the following does NOT move continuously through the ecosystem?

a)

nitrogen

b)

oxygen

c)

water

d)

aluminum

12.

Which is most likely the first step in a basic food chain?

a)

The hawk obtains energy by eating the snake

b)

The sun emits energy

c)

The snake obtains energy by eating the mouse

d)

Plants make energy-rich food using sunlight.

13.

Which of the following would eat a hamburger with lettuce on it?

a)

omnivore

b)

herbivore

c)

carnivore

d)

decomposer

14.

Which of the following eats only leaves?

a)

omnivore

b)

herbivore

c)

carnivore

d)

decomposer

15.

In the food web, what eats the rabbit?

a)

wild cat

b)

hawk

c)

jackyl

d)

sheep

16.

A cactus does not need a lot of water. In which of hte following climates could it survive?

a)

windy

b)

dry

c)

cold

d)

wet

17.

Which of the following eats animals?

a)

fungi

b)

bacteria

c)

carnivore

d)

herbivore

18.

Which of the following items is nonliving?

a)

air

b)

ant

c)

bee

d)

fly

19.

Which of the following is a biotic factor?

a)

ocean

b)

lake

c)

fish

d)

pond

20.

Which of these is a biotic factor?

a)

climate

b)

water

c)

sunlight

d)

worms

21.

What is the name of the idea that energy cannot be created or destroyed?

a)

law of conservation of energy

b)

law of energy

c)

law of utilization of energy

d)

law of movement of energy

22.

Which of the following flows through ecosystems in one direction?

a)

water

b)

nitrogen

c)

carbon

d)

energy

23.

What is one reason that a food web might be a better description of an ecosystem than a food chain?

a)

no animals are chained

b)

organisms. have a choice of what to eat

c)

animals have only one option of what to eat

d)

at least one animal in the web has webbed feet

24.

Which of the following would eat a dead rabbit?

a)

omnivore

b)

herbivore

c)

carnivore

d)

scavenger

25.

hawk

a)

biotic

b)

abiotic

26.

soil

a)

biotic

b)

abiotic

27.

bacteria

a)

biotic

b)

abiotic

28.

lightning

a)

biotic

b)

abiotic

29.

oak tree

a)

biotic

b)

abiotic

30.

water

a)

biotic

b)

abiotic

31.

Carbon dioxide is used by plants for ______.

a)

consumerism

b)

photosynthesis

c)

cellular respiration

d)

breathing

32.

All of lifes functions require ____

a)

air

b)

carbon

c)

energy

d)

water

33.

pine tree

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

34.

mouse

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

35.

vulture

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

36.

worm

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

37.

sunflower

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

38.

lettuce

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

39.

fungus

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

40.

bacteria

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

41.

kangaroo

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

42.

human

a)

consumer

b)

producer

c)

decomposer

d)

scavenger

43.

eats only meat

a)

carnivore

b)

omnivore

c)

herbavore

44.

eats only plants

a)

carnivore

b)

omnivore

c)

herbivore

45.

eats both plants and meat

a)

carnivore

b)

omnivore

c)

herbivore

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