Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Ecology Review (9th grade biology)

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What branch of biology that deals with the interactions among organisms and between organisms and their environment?

a)

Biology

b)

Ecology

c)

Immunology

d)

Environmentology

2.

How does the amount of energy change as it moves up an energy pyramid?

a)

Stays the same

b)

Decreases

c)

Increases

3.

How much energy is passed on from one trophic level to the next?

a)

80%

b)

10%

c)

50%

d)

none

4.

An energy pyramid shows the loss of energy at each trophic level. Why is energy not really lost?

a)

Some energy is converted into waste and heat energy.

b)

Some energy goes back to the sun.

c)

Some energy is recycled.

d)

All energy gets transfered to the next organism.

5.

What type of succession occurs from newly formed rock and no soil?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

6.

When two animals fight for a mate:

a)

Symbiosis

b)

Parasitism

c)

Commensalism

d)

Competition

7.

What is the main way energy is lost in a food chain?

a)

It gets lost in the woods.

b)

It is lost as energy goes back to the sun.

c)

It is lost as heat during cellular respiration.

d)

It gets lost as atmospheric heat.

8.

In a food chain, what is the role of the plant?

a)

Consumer

b)

Heterotroph

c)

Producer

d)

Primary consumer

9.

What type of organisms make their own food using the sun's energy?

a)

Decomposer

b)

Autotroph

c)

Omnivore

d)

Carnivore

10.

There are usually no more than four trophic levels in a food chain. Why?

a)

Energy gets lost (metabolism) and too many links cannot be supported.

b)

Energy is gained (metabolism) and too many links cannot be supported.

c)

There are not very many animals on earth.

11.

Organisms that eat plants for energy.

a)

Carnivore

b)

Omnivore

c)

Decomposter

d)

Herbivore

12.

Bacteria and fungi break down organisms into organic matter. What type of consumer?

a)

Scavenger

b)

Carnivore

c)

Herbivore

d)

Decomposer

13.

Organisms that eat both plants and other animals or insects.

a)

Carnivore

b)

Omnivore

c)

Detritivore

d)

Herbivore.

14.

Organisms that feed on recently dead organisms:

a)

Detritivore/Detrivore

b)

Omnivore

c)

Carnivore

d)

Decomposer

15.

Similar organisms that are able to breed with eachother

a)

Community

b)

Species/Organism

c)

Population

d)

Ecosystem

16.

All the organisms that interact in a population are part of a:

a)

Biosphere

b)

Community

c)

Ecosystem

d)

Biome

17.

A group of organisms that can interbreed and live in the same place is called:

a)

Ecosystem

b)

Species

c)

Population

d)

Community

18.

Which level of Ecology includes the entire planet?

a)

Biome

b)

Biosphere

c)

Ecosystem

d)

Ecology

19.

Areas on earth are characterized by having similar climate, animals, and plants. What are these areas called?

a)

Community

b)

Biome

c)

Biosphere

d)

Ecosystem

20.

What are the biotic factors of an ecosystem?

a)

Producers, consumers and decomposers

b)

Sunlight, temperature, and rainfall

21.

Level of interactions between the biotic and abiotic factors in a community:

a)

Community

b)

Ecosystem

c)

Biome

d)

Biosphere

22.

Relationship between a bear and a fish:

a)

Parasitism

b)

Predator/Prey

c)

Symbiotic

d)

Commensalism

23.

One species benefits and the other is unaffected

a)

Mutualism

b)

Commensalism

c)

Parasitsim

d)

Symbiosis

24.

One species benefits and the others is harmed by living on or inside the host

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Symbiosis

25.

Both species benefits by the very close interaction

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Predator/Prey