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Worksheets

Interactions

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

The shark and remora fish have a __________________ relationship.  The remora fish benefits by attaching itself to a shark and eating scraps and pieces of fish that the shark does not eat.  The shark is not harmed and does not benefit from the remora fish.

a)

predator and prey

b)

commensalism

c)

parasitism

d)

coevolution

2.

a relationship in which two different organisms live in close association with each other

a)

competition

b)

predator/prey

c)

symbiosis

3.

What does symbiosis mean?

a)

Living separately, no relationship between 2 species

b)

Living together, close relationship between 2 species

c)

Living separately, long distance relationship between 2 species

d)

When one species kills and eats another

4.

A relationship between two organisms in which one organism benefits and the other is hurt or harmed...

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

5.

A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

6.

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

7.

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?

a)

Mutualism 

b)

Parasitism 

c)

Commensalism 

8.

When one organism is helped and has no effect on the other, the relationship is called __________.

a)

competition

b)

commensalism

c)

mutualism

d)

adaptation

9.

In this picture, the lion is the __________________

a)

predator

b)

prey

10.

The interaction of organisms in an ecosystem is called ___________.

a)

predator-prey

b)

adaptation

c)

symbiosis

d)

ecology

11.

What relationship is HAPPY HAPPY?

a)

parasitism

b)

mutualism

c)

commensalism

12.

What type of interaction occurs when two species compete for the same resources in an ecosystem?

a)

Mutualism

b)

Competition

c)

Parasitism

d)

Commensalism

13.

In a food web, what is the interaction called when a hawk eats a snake?

a)

Predation

b)

Mutualism

c)

Parasitism

d)

Commensalism

14.

Which of the following is an example of a mutualistic interaction?

a)

A bee pollinating a flower

b)

A lion hunting a zebra

c)

A tapeworm in a human intestine

d)

A barnacle on a whale

15.

What is the term for the interaction where one organism benefits and the other is unaffected?

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Competition