wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Introduction to Ecology

Total questions: 23

Worksheet time: 28mins

Name
Class
Date
1.

Which is the simplest level of organization within the environment?

a)

cell

b)

organism

c)

population

d)

community

2.

Which of the following is the highest level of organization within the environment?

a)

population

b)

organism

c)

ecosystem

d)

biosphere

3.
Which term refers to the job an organism plays within its environment?
a)
biosphere
b)
ecology
c)
habitat
d)
niche
4.
Which term refers to the job an organism plays within its environment?
a)
biosphere
b)
ecology
c)
habitat
d)
niche
5.
Which term refers to the study of organisms and their interactions within the environment?
a)
biosphere
b)
niche
c)
ecology
d)
habitat
6.
Which term refers to the place where an organism obtains everything they need to survive?
a)
biosphere
b)
habitat
c)
niche
d)
ecology
7.

Similar organisms that can reproduce with each other are considered to be members of the same _______________.

a)

community

b)

species

c)

biosphere

d)

ecosystem

8.
The levels organism, population and community have only which type of factors?
a)
biotic
b)
abiotic
c)
biotic and abiotic
9.

All the alligators in a swamp are an example of a(n) _______________.

a)

organism

b)

community

c)

population

d)

group

10.
Which of the following is an example of a community?
a)
All the tiger sharks in the ocean.
b)
All the oak trees in a forest.
c)
All the cows on a farm. 
d)
The plants and animals in a rainforest.
11.
The correct order of ecological organization from the smallest to the largest is _______________.
a)
organism, community, population, ecosystem, biosphere, biome
b)
biosphere, biome, ecosystem, community, population, organism
c)
organism, population, community, ecosystem, biome, biosphere
d)
population, organism, biosphere, community, ecosystem, biome
12.

What is an abiotic factor?

a)

A living condition or thing, that influences or affects an ecosystem and the organisms in it.

b)

A non-living condition or thing, that does not affect an ecosystem and the organisms in it.

c)

A non-living condition or thing, that influences or affects an ecosystem and the organisms in it.

d)

A living condition or thing, that does not affect an ecosystem and the organisms in it.

13.

What is an organism?

a)

Several animals, plants, or single-celled life forms.

b)

An individual animal, plant, or single-celled obejct.

c)

An individual animal, plant, or single-celled life form.

d)

Several animals and plants.

14.

What is a niche?

a)

The place or function of a given object within its ecosystem.

b)

The place or function of a given organism within its ecosystem.

c)

The natural home or environment of an animal, plant, or other organism.

d)

The natural home or environment of an object.

15.

What is a biotic factor?

a)

Any non-living component that affects the population of another organism, or the environment.

b)

Any living component that has a population.

c)

Any living component that affects the population of another country.

d)

Any living component that affects the population of another organism, or the environment.

16.

What is an ecosystem?

a)

A community of non-interacting organisms and their physical environment.

b)

A biological community of interacting organisms and their chemical environment.

c)

A biological community of interacting organisms and their physical environment.

d)

A community of non-interacting organisms and their chemical environment.

17.

What is a habitat?

a)

The natural home or environment of an animal, plant, or other organism.

b)

The interrelationship of a species with all the biotic and abiotic factors affecting it.

c)

A biological community of interacting organisms and their physical environment.

d)

The natural home or environment of non-living organisms.

18.

What is the term for something that makes its own food, usually a plant?

a)

Consumer

b)

Producer

c)

Herbivore

d)

Carnivore

19.

What is the term for an animal that eats just plants?

a)

Producer

b)

Carnivore

c)

Herbivore

d)

Omnivore

20.

What is a consumer?

a)

An organism that eats other organisms

b)

An organism that does photosynthesis

21.

What does a predator eat?

a)

Plants

b)

Other animals

22.

Which of these consumers eats the producer?

a)

Primary consumer

b)

Secondary consumer

c)

Tertiary consumer

23.

What type of organism breaks down organisms and their waste products?

a)

Predators

b)

Prey

c)

Producers

d)

Decomposers