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Worksheets

Organisms

Total questions: 39

Worksheet time: 20mins

Name
Class
Date
1.

What happens when different species try to occupy the SAME niche?

a)

The species compete with each other.

b)

The species cooperate with each other.

c)

The species coexist with each other.

d)

All of the above

2.

What type of relationship do both organisms benefit from the relationship?

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

3.

Why would a parasite harm its host, but not want to kill?

a)

It will feel awful if it does.

b)

It doesn't harm or kill its host.

c)

It doesn't kill because then they wouldn't have a way of getting nutrients.

d)

It does kill its host.

4.

What type of relationship does one organism benefit from the relationship, and the other organism does not and is not harmed in any way?

a)

parasitism

b)

mutualism

c)

predation

d)

commensalism

5.

What type of relationship does one organism benefit from the relationship, and the other organism is harmed?

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

6.

What relationship does one organism hunt and kill another organism for food?

a)

parasitism

b)

mutualism

c)

commensalism

d)

predation

7.

Which type of relationship is this?

a)

predation

b)

parasitism

c)

mutualism

d)

commensalism

8.

Which type of relationship is this?

a)

predation

b)

parasitism

c)

mutualism

d)

commensalism

9.

Which type of relationship is this?

a)

predation

b)

parasitism

c)

commensalism

d)

mutualism

10.

What type of relationship is this?

a)

predation

b)

parasitism

c)

commensalism

d)

mutualism

11.

What type of relationship is this?

a)

predation

b)

parasitism

c)

commensalism

d)

mutualism

12.

What type of relationship is this?

a)

predation

b)

parasitism

c)

commensalism

d)

mutualism

13.

What type of relationship is this?

a)

predation

b)

parasitism

c)

commensalism

d)

mutualism

14.

What type of relationship is this?

a)

predation

b)

commensalism

c)

parasitism

d)

mutualism

15.

What type of organism can make its own food within itself?

a)

producers

b)

consumers

c)

decomposers

d)

all of the above

16.

Organisms that can make their own food do so by the process of:

a)

decomposition.

b)

respiration.

c)

photosynthesis.

d)

scavenging.

17.

Animals are:

a)

producers, only.

b)

consumers, only.

c)

producers and consumers.

d)

decomposers, only.

18.

What does a herbivore, omnivore and carnivore have in common?

a)

They all make their own food.

b)

They must consume plants and/or animals for food.

c)

They decompose dead or decaying organisms.

d)

They feed on dead animals and animal waste.

19.

What type of consumer helps to consume food from sources that would otherwise go to waste?

a)

herbivore

b)

omnivore

c)

carnivore

d)

scavenger

20.

What type of consumer eats plants?

a)

herbivore

b)

carnivore

c)

omnivore

d)

herbivores and omnivores

21.

What type of organism is this?

a)

producer

b)

consumer

c)

decomposer

22.

What type of organism is this?

a)

producer

b)

consumer

c)

decomposer

23.

What type of organism is this?

a)

producer

b)

consumer

c)

decomposer

24.

What type of consumer is this? (most of the time)

a)

herbivore

b)

carnivore

c)

omnivore

d)

scavenger

25.

What type of consumer is this?

a)

herbivore

b)

carnivore

c)

omnivore

d)

scavenger

26.

What type of consumer is this?

a)

herbivore

b)

carnivore

c)

omnivore

d)

scavenger

27.

What type of consumer is this?

a)

herbivore

b)

carnivore

c)

omnivore

d)

scavenger

28.

What type of relationship is in this picture?

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Competition

29.

How do plants and animals get energy to survive?

a)

By drinking water.

b)

Plants and animals already have energy and don't need to get anymore.

c)

By consuming food.

d)

They don't need energy.

30.

What type of organism feeds on other dead or decaying organisms?

a)

Producers

b)

Consumers

c)

Decomposers

d)

Herbivores

31.

Which type of organism ONLY eats plants?

a)

herbivore

b)

ominvore

c)

carnivore

32.

Which type of organism eats ONLY other animals?

a)

herbivore

b)

ominvore

c)

carnivore

33.

Hermit crabs live in shells made by snails who have since abandoned them.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

34.

Whales are seen having barnacles attached to them, creating a home site for the barnacles.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

35.

The oxpecker rides on the back of rhinos eating off the ticks and alerting the rhinos to predators.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

36.

A golden jackal will follow a tiger at a safe distance alerting the tiger to a kill, then eats the leftovers when the tiger is done.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

37.

A spruce tree starts to die when mistletoe seeds grow into the spruces' roots, extracting water and nutrients from it.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

38.

A mosquito bits an organism to extract it blood for nutrients while leaving behind its venom in the organism it has bitten.


Which type of relationship is this?

a)

mutualism

b)

commensalism

c)

parasitism

39.

What type of organism is this animal?

a)

producer

b)

omnivore

c)

carnivore

d)

herbivore