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Worksheets

Interactions in Animals

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

There are three main types of symbiotic relationships: mutualism, commensalism, and parasitism. Which image depicts commensalism?

a)
b)
c)
d)
2.

This is a type of symbiotic relationship where both organisms benefit.

a)

commensalism

b)

competition

c)

mutualism

d)

parasitism

3.

The picture is an example of ___________ between the wolves.

a)

competition

b)

commensalism

c)

mutualism

d)

parasitism

4.

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

a)

mutualism

b)

commensalism

c)

competition

d)

parasitism

5.

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

a)

host, hostess

b)

parasite, host

c)

host, parasite

d)

prey, predator

6.

This is known as a relationship in which one organism benefits, while the other is unaffected.

a)

Parasitism

b)

Mutualism

c)

Immigration

d)

Commensalism

7.

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:

a)

Parasitism

b)

Decomposition

c)

Commensalism

d)

Mutualism

8.

This is known as a relationship in which both organisms involved benefit. 

a)

Predator-Prey

b)

Commensalism

c)

Mutualism

d)

Decomposition

9.

A feeder fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Decomposition

10.

Which of the following symbiotic relationships is considered parasitic?

a)

Ticks feeding on a dog

b)

Bees transporting pollen from flowers

c)

Pilotfish swimming under sharks

d)

Birds eating the insects fromo the back of hippo

11.

Which of these describes a mutually beneficial relationship between two organisms?

a)

dog with worms in its intestine

b)

turtle and a snail that both eat grass live in a river

c)

honeybee pollinating a plant and receiving nectar for food

d)

small fish attached to a shark, eating tiny pieces of the shark's food as it floats

12.

Which of the examples below can BEST be described as mutualism between animals?

a)

A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten

b)

Mountain lions and wolves fight each other for the same deer

c)

A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird

d)

Rats live in the garbage dump of a town and rarely interact with people

13.

Which of the following is an example of mutualism in animals?

a)

A) A bird cleaning the teeth of a crocodile

b)

B) A flea feeding on a dog's blood

c)

C) A lion hunting a zebra

d)

D) A remora fish attaching to a shark for transportation

14.

In a forest ecosystem, which interaction is an example of commensalism?

a)

A) A squirrel eating nuts from a tree

b)

B) A bird nesting in a tree without harming it

c)

C) A wolf hunting a deer

d)

D) A bee pollinating a flower

15.

What type of interaction occurs when one animal benefits at the expense of another?

a)

A) Mutualism

b)

B) Commensalism

c)

C) Parasitism

d)

D) Cooperation