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Ecological Relationships Identification

Total questions: 17

Worksheet time: 17mins

Name
Class
Date
1.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
2.

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

3.

When there is an order or ranking system within a group of organisms/same species living together. This order helps this group to survive and be successful

a)

competition

b)

cooperation

c)

social hierarchy

d)

territorial imperative

4.

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of-

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

5.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
6.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
7.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
8.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants. This is an example of____

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

9.

When organisms "fight" over the same resource (food, water, mate)

a)

competition

b)

cooperation

c)

territorial imperative

d)

social hierarchy

10.

Mockingbirds will push the eggs out of a blue bird's nest and use the nest for it's own babies illustrating...

a)

commensalism

b)

parasitism

c)

mutualism

d)

predation

11.

Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish get protection and shelter from the anemone. This is an example of which type of symbiosis?

a)

Commensalism

b)

Mutualism

c)

Parasitism

12.
Which of he following interactions demonstrates a PARASITIC relationship?
a)
A mosquito sucking blood from a warm blooded animal.
b)
A group of baby otters floating together to help warm each other in the cold waters.
c)
Many fish swimming together to protect each other from predators.
d)
Two hyenas fighting over a female to mate with.
13.

A bird makes a nest in a tree. The bird gets a house, but the tree is unharmed. What is this an example of?

a)

Commensalism

b)

Mutualism

c)

Parasitism

14.

A bear eats fish out of the river. What kind of relationship is this?

a)

mutualism

b)

parasitism

c)

predator / prey

15.

A fish will eat the left over food scraps from the shark's meal. This is an example of_____

a)

mutualism

b)

commensalism

c)

parasitism

d)

competition

16.

When an organism protects the area it lives in. Animals do this to protect resources.

a)

Competition

b)

Cooperation

c)

Social hierarchy

d)

Territorial imperative

17.

When organisms work together to achieve or get the same resource

a)

competition

b)

cooperation

c)

social hierarchy

d)

territorial imperative