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Ecology Review

Total questions: 54

Worksheet time: 32mins

Name
Class
Date
1.

A snake that eats an insect-eating frog is a:

a)

primary producer

b)

tertiary consumer

c)

secondary consumer

d)

primary consumer

2.

An example of a biotic factor is:

a)

soil

b)

a rock

c)

water

d)

a tree

3.

Biotic factors in an ecosystem may include:

a)

bacteria, soil, and water

b)

temperature, water, and soil

c)

animals, fungi, and temperature

d)

plants, animals, and bacteria

4.

Biodiversity is a measure of the

a)

variety of nonliving things within an ecosystem

b)

amount of resources shared by the human population.

c)

Variety of species within an ecosystem

d)

Amount of renewable resources within an ecosystem.

5.

All the leopard frogs in a pond make up the pond’s leopard frog:

a)

population

b)

niche

c)

habitat

d)

ecosystem

6.

A crab lives on a beach where it gets food, shelter, and space to live. The beach is the crab’s:

a)

niche

b)

community

c)

habitat

d)

home

7.

A population of rabbits is at its carrying capacity when the population:

a)

reproduces

b)

becomes extinct

c)

stops growing

d)

can’t survive

8.

Which list of terms is in the correct order, from simplest to most complex?

a)

organism, community, population, ecosystem, biome

b)

organism, population, community, biome, ecosystem

c)

organism, population, community, ecosystem, biome

d)

organism, community, ecosystem, population, biome

9.

All the living things in a meadow and the physical environment around them make up the meadow’s:

a)

community

b)

population

c)

ecosystem

d)

niche

10.

An animal that eats only plants is a:

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

d)

primary producer

11.

An unusually cold winter causes the squirrel population to decrease. This is an example of temperature as a:

a)

carrying capacity

b)

limiting factor

c)

climax community

d)

pattern in space

12.

Ecology is the study of .

a)

life

b)

Interactions among organisms and their environments

c)

interactions among organisms

d)

how traits are passed from parents to offspring

13.

When a rabbit population in a meadow cannot grow any larger, it has reached the:

a)

climax community

b)

carrying capacity

c)

limiting factor

d)

minimum size

14.

How is a food web model different from a food chain?

a)

In a web, energy moves from an organism to only one other.

b)

In a web, energy may move to many organisms from one.

c)

In a web, an organism gets energy from one source.

d)

In a web, an organism receives less energy than in a chain.

15.

A caterpillar eats a leaf, and a bird eats the caterpillar. In this interaction, the bird is a:

a)

producer

b)

herbivore

c)

primary consumer

d)

secondary consumer

16.

Two examples of decomposers are:

a)

fungi and bacteria

b)

algae and marine mammals

c)

carnivores and herbivores

d)

ferns and mosses

17.

Two abiotic factors that affect an ecosystem are:

a)

temperature and animals

b)

plants and animals

c)

water and bacteria

d)

soil and water

18.

Which of the following factors in an ecosystem is biotic?

a)

insects

b)

sunlight

c)

water

d)

soil

19.

Decomposers are important to ecosystems because they:

a)

convert light energy into sugars through photosynthesis

b)

are at the highest level of the energy pyramid

c)

change simple compounds into more complex ones

d)

make nutrients available for producers to reuse

20.

A food chain shows:

a)

many possible pathways for energy

b)

the amount of energy available to a consumer

c)

one possible pathway for energy

d)

the amount of energy available to a producer

21.

A scientist who studies the interactions of plants and animals is called:

a)

an ecologist

b)

an ecologist

c)

a physicist

d)

a botanist

22.

In an energy pyramid, the lowest level has:

a. less energy than the top level

b. less energy than the second level

c. more energy than the top level

d. the same amount of energy as the second level

a)

the same amount of energy as the second level

b)

less energy than the second level

c)

less energy than the top level

d)

more energy than the top level

23.

The natural world that surrounds an organism is called the organism’s:

a)

nutrients

b)

lodgings

c)

environment

d)

energy

24.

Which of these food chains is in the correct order?

a)

cattail, caterpillar, frog, water snake

b)

caterpillar, cattail, frog, water snake

c)

water snake, frog, caterpillar, cattail

d)

cattail, frog, caterpillar, water snake

25.

Both consumers and producers are a source of food for:

a)

herbivores

b)

carnivores

c)

scavengers

d)

decomposers

26.

A(n) (a)   is made up of both living things and the physical environment.

27.

(a)   is the study of how living things interact with each other and their environment.

28.

Living things in an ecosystem are (a)   factors.

29.

Nonliving things in an ecosystem are (a)   factors.

30.

The (a)   of an environment is the maximum population that it can support.

31.

Organisms in soil are an example of abiotic factors.

a)

true

b)

false

32.

The amount of light available in an ecosystem affects the types and amount of plant life that will grow there.

a)

true

b)

false

33.

Plants use energy to make sugars through photosynthesis.

a)

true

b)

false

34.

An ecosystem is composed of biotic factors.

a)

true

b)

false

35.

The same niche in a habitat may be occupied by more than one species.

a)

true

b)

false

36.

List two producers and three consumers in the food web.

Choose all that apply.

a)

rosebush and oak tree

b)

grass and snake

c)

sparrow and snake

d)

rosebush and deer

37.

made up of many overlapping food chains

a)

Producer

b)

Decomposer

c)

Energy Pyramid

d)

Food Web

e)

Consumer

38.

organism that converts heat or light energy into chemical energy

a)

Decomposer

b)

Consumer

c)

Food Web

d)

Producer

e)

Food Chain

39.

organism that converts heat or light energy into chemical energy

a)

Producer

b)

Consumer

c)

Decomposer

d)

Food web

e)

Food chain

40.

shows how energy is lost as it is transferred up the food chain

a)

Food Web

b)

Food Chain

c)

Energy Pyramid

d)

Decomposer

e)

Producer

41.

organism that gets its energy by eating plants or animals

a)

Food Chain

b)

Food web

c)

Decomposer

d)

Energy Pyramid

e)

Consumer

42.

shows one set of feeding relationships Between a producer and several consumers

a)

Energy Pyramid

b)

Food Chain

c)

Food Web

d)

Decomposer

e)

Consumer

43.

organism that breaks down dead plants and animals into simpler compounds

a)

Producer

b)

Decomposer

c)

Food Chain

d)

Consumer

e)

Energy Pyramid

44.

It surrounds all living things

a)

organism

b)

Energy

c)

The ocean

d)

Environment

e)

The Sun

45.

All living organisms need it

a)

Energy

b)

The ocean

c)

Environment

d)

The Sun

e)

organism

46.

It gives Earth most of its energy

a)

organism

b)

The ocean

c)

Environment

d)

Energy

e)

The Sun

47.

Two organisms try to get the same thing in a relation

a)

parasitism

b)

competition

c)

mutualism

48.

Two organisms benefit in a relationship

a)

parasitism

b)

competition

c)

mutualism

49.

The role a species fills in a habitat

a)

parasitism

b)

habitat

c)

niche

50.

Something from the environment that humans use

a)

pollution

b)

natural resource

c)

biodiversity

d)

Invasive species

e)

population density

51.

Number of people in a given area

a)

pollution

b)

population density

c)

natural resource

d)

Invasive species

e)

biodiversity

52.

The variety of life in an ecosystem

a)

biodiversity

b)

Invasive species

c)

natural resource

d)

population density

e)

pollution

53.

What do the arrows in the food web represent?

a)

Who is friends with who

b)

Who lives with who in an ecosystem

c)

The flow of energy within the food web.

54.

Which food chain is correct that includes the sparrow.

a)

rose bush –> caterpillar -> frog-> snake

b)

rose bush -> caterpillar ->frog-> snake

c)

grass -> sparrow -> caterpillar -> snake

d)

grass -> caterpillar -> sparrow -> hawk

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