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Ecology Review

Total questions: 69

Worksheet time: 59mins

Name
Class
Date
1.

Refer to the diagram. Which list includes abiotic factors only?

a)

Items A, C, D

b)

Items B, C, E

c)

Items A, D

d)

Items A, B, C, D, E

2.

Which of the following is a biotic factor in an ocean ecosystem?

a)

the salt content of the water

b)

the temperature of the water

c)

the fish in the water

d)

the oxygen in the water

3.

Which of the following is a biotic factor?

a)

humans

b)

bridges

c)

roads

d)

water

4.

What makes up an environment?

a)

only biotic factors

b)

only abiotic factors

c)

both biotic and abiotic factors

d)

neither biotic nor abiotic factors

5.

Which choice is an example of a relationship between an abiotic factor and a biotic factor?

a)

sun shining on a tree

b)

bacteria infecting an organism

c)

a lion eating a zebra

d)

a bird eating seeds

6.

Which of the following words would you use to classify a deer?

a)

Producer

b)

Consumer

c)

Decomposer

7.

Decomposers break down dead plants and animals. This puts ____________ back into the soil.

a)

producers

b)

energy

c)

food

d)

consumers

8.

What are animals called that eat producers?

a)

pigs

b)

omnivores

c)

consumers

d)

predators

9.

A producer?

a)

Eats other plants and animals

b)

Makes its own food

c)

Eats dead plants or animals

d)

Makes toys for kids

10.
a)
Producer
b)
Consumer
c)
Decomposer
11.
a)
Producer
b)
Consumer
c)
Decomposer
12.

The specific environment in which all the biotic and abiotic factors in an area interact.

a)

Ecosystem

b)

Organism

c)

Struggle

d)

Competitive Interaction

13.

Grass

a)

Biotic factor

b)

Abiotic factor

14.

A pinecone

a)

Biotic factor

b)

Abiotic factor

15.

A zebra skeleton

a)

Biotic factor

b)

Abiotic factor

16.

What is Ecology?

a)

It is the study of the Earth.

b)

It is the study of how organisms interact with each other and their environment.

c)

It is the study of recycling.

d)

It is the study of plants.

17.

When all the ecosystems on Earth are combined it is called...

a)

a community.

b)

a biome.

c)

a biosphere.

d)

an Earthsphere.

18.

The tropical rain forest, the desert, and the tundra are all examples of ...

a)

the biopshere.

b)

biomes.

c)

ecosystems.

d)

communities.

19.

What are the ecological levels of organization from smallest to the largest?

a)

organism, population, community, ecosystem, biome, biosphere

b)

organism, community, population, ecosystem, biome, biosphere

c)

organism, population, community, biome, ecosystem, ecosphere.

d)

organism, community, population, biome, ecosystem, ecosphere

20.

What level of ecological organization do the animals represent?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

21.

What level of ecological organization do the organisms represent?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

22.

What level of ecological organization does the bird represent?

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

23.

What level of ecological organization does this entire picture represent?

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

24.

Two organisms that are so similar are from the same ...

a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
25.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
26.
An ecosystem contains living and nonliving things.
a)
True
b)
False
27.
Which of the following is the most simple level of ecological organization?
a)
A community
b)
An individual or species
c)
A population
d)
An ecosystem
28.
TRUE or FALSE: A community includes all abiotic and biotic factors.
a)
TRUE
b)
FASLE
29.

Trees, shrubs, grasses, air temperature, soil pH, water quality, etc. found in a given area are known as a(n)...

a)

population

b)

ecologist

c)

community

d)

ecosystem

30.

One lion within a pride of lions is known as a(n)...

a)

population

b)

organ system

c)

organism

d)

community

31.

A group of the same type of organisms living in the same place at the same time is called a/an ----

a)

ecosystem.

b)

population.

c)

community.

d)

biome.

32.

All of the populations that live in one area together are called a/an ---

a)

biome.

b)

population.

c)

community.

d)

ecosystem.

33.

Which statement is correct?

a)

A population is the same as a community.

b)

A community is a group of populations.

c)

A community is a part of a population.

d)

A population is a group of communities.

34.

Which DOES NOT represent an ecosystem?

a)

A

b)

B

c)

C

d)

D

35.

Which represents the community level of organization?

a)

lions, zebras, giraffes, trees

b)

lions

c)

lions, zebras, sunlight, trees, rocks

d)

lions and their cubs

36.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

37.

What is a Producer?

a)

An animal that eat plants

b)

An animal that eats meat

c)

is a plant that produces their own food

d)

An animal that grows really tall

38.

What is a Herbivores?

a)

A animal that eats plant

b)

A animal that eats meat

c)

A plant that makes its own food

d)

a plant that eats meat

39.

What is a Carnivore?

a)

A animal that eats plants

b)

A animal that eats meat

c)

A animal that makes it own food

d)

A animal that doesn't eat animals or plants

40.

What is a Decomposer?

a)

it an animal that eats everything

b)

its an organism that eats dead animals and plants

c)

it a human

d)

it the sun

41.

What do plants need to make their own food?

a)

Sun, Water, and Animals

b)

Sun, Coke, and Soil

c)

Sun, Water, and Soil

d)

Nothing at all

42.

which one is a Producer?

a)
b)
c)
d)
43.

What is a decomposer?

a)
b)
c)
d)
44.

Which one is a Herbivore?

a)
b)
c)
d)
45.

which one is a Omnivore

a)
b)
c)
d)
46.

Which one is a Carnivore?

a)
b)
c)
d)
47.

All energy on Earth ultimately comes from what source?

a)

Water

b)

Consumers

c)

Sun

d)

Oxygen

48.

An organism that needs to eat other organisms to obtain energy is known as a:

a)

Autotroph

b)

Consumer

c)

Producer

d)

Mutualist

49.

An organism that uses sunlight to create its own food is known as a:

a)

Producer

b)

Heterotroph

c)

Consumer

d)

Decomposer

50.

Organism that eats both producers and consumers

a)

carnivore

b)

omnivore

c)

herbivores

d)

autotroph

51.

A lion is an example of

a)

producer

b)

decomposer

c)

carnivore

d)

autotroph

52.

Cows are an example of

a)

autotroph

b)

herbivore

c)

carnivore

d)

decomposer

53.

What is the role of decomposers in a food chain?

a)

Use sunlight to make food

b)

Eat other organisms to gain energy

c)

Make the food for the whole food chain

d)

Break down dead organisms and add nutrients to the soil

54.

Example of a decomposer

a)

frogs

b)

mouse

c)

fungus

d)

plants

55.

Molds, bacteria, and worms are ________.

a)

decomposers

b)

producers

c)

food chains

d)

consumers

56.

Which food chain is in the correct order?

a)

cat, grass, bird, snail

b)

bird, snail, grass, cat

c)

grass, cat, bird, snail

d)

grass, snail, bird, cat

57.

What is the main energy source in any food chain?

a)

Moon

b)

Earth

c)

Sun

d)

Plants

58.
Which group are the producers? 
a)
1 and 2
b)
3 and 4
c)
4
d)
3
59.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
60.
A secondary consumer 
a)
eats primary consumers
b)
eats producers
c)
eats plants
61.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
62.

Position that an organism occupies based on what it eats

a)

Producer

b)

Trophic level

c)

Heterotroph

d)

Consumer

63.

Which organisms eat only producers?

a)

Secondary Consumers

b)

Apex Predators

c)

Tertiary Consumers

d)

Primary Consumers

64.

Which level is found at the top?

a)

Primary Consumers

b)

Tertiary Consumers

c)

Producers

d)

Secondary Consumers

65.

As you go up a food chain, food web or energy pyramid, energy

a)

increases

b)

decreases

66.

What would happen if their were no producers?

a)

Every population would grow larger

b)

Everything would die out

c)

The animals would make their own food

67.

What would happen if the primary consumers died out?

a)

the producers would grow and the secondary and tertiary consumers would die

b)

producers would die out

c)

consumers would grow

68.

Eats dead organisms and returns nutrients to soil

a)

Autotroph

b)

Decomposer

c)

Biomass

d)

Carnivore

69.

Process through which plants make their own food

a)

Photosynthesis

b)

Autotroph

c)

Biomass

d)

Trophic