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Ecosystem Review

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Which of these is an abiotic factor?

a)

tree

b)

fish

c)

sun

d)

fox

2.

Which organism is most likely to be found in a terrestrial ecosystem?

a)

shark

b)

starfish

c)

whale

d)

bear

3.

A symbiotic relationship in which both organisms benefit from one another is called...

a)

parasitic relationship

b)

mutual relationship

c)

commensalism

d)

symbiosis

4.

What type of symbiotic relationship does this photo represent?

a)

parasitic

b)

mutual

c)

commensalism

5.

Which of these is an example of an aquatic ecosystem?

a)
b)
c)
d)
6.

When a species is in danger of going extinct, they are called...

a)

dangerous

b)

endangered

c)

extinct

d)

disappeared

7.

A group of plants or animals in which all individuals share common characteristics are known as...

a)

community

b)

population

c)

species

d)

ecosystem

8.

What effect does a change in climate have on an ecosystem?

a)

It has no effect

b)

Only plants are affected

c)

Only animals will be affected

d)

Living things must adapt to survive

9.

What is the name for a consumer that only eats plants?

a)

herbivore

b)

omnivore

c)

carnivore

d)

symbiosis

10.

A model that shows the flow of energy from one organism to the next in an ecosystem

a)

food chain

b)

food web

c)

graph

d)

chart

11.

According to this food web, which organism eats the frog?

a)

grasshopper

b)

butterfly

c)

dragonfly

d)

python

12.

What would happen if two organisms in the same ecosystem occupied the same niche?

a)

competition

b)

nothing would happen

c)

they both will die

d)

mutual relationship

13.

What type of symbiotic relationship is represented by a tick on a human?

a)

commensalism

b)

mutual

c)

parasitic

14.

Which organisms directly benefit from decomposers releasing energy into the soil?

a)

carnivores

b)

herbivores

c)

omnivores

d)

producers

15.

These mushrooms are an example of...

a)

decomposer

b)

consumer

c)

producer