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Symbiotic Relationships

Total questions: 22

Worksheet time: 22mins

Name
Class
Date
1.

Symbiosis means:

a)

relationship

b)

sharing

c)

helping

d)

harming

2.

Predation means:

a)

Living on or in another organism at that organisms expense

b)

consuming another organism

c)

getting a benefit from another organism without harming or helping it

d)

getting a benefit from another organism while helping it

e)

belonging in the same niche with limited resources

3.

Parasitism means:

a)

Living on or in another organism at that organisms expense

b)

consuming another organism

c)

getting a benefit from another organism without harming or helping it

d)

getting a benefit from another organism while helping it

e)

belonging in the same niche with limited resources

4.

Commensalism means:

a)

Living on or in another organism at that organisms expense

b)

consuming another organism

c)

getting a benefit from another organism without harming or helping it

d)

getting a benefit from another organism while helping it

e)

belonging in the same niche with limited resources

5.

mutualism means:

a)

Living on or in another organism at that organisms expense

b)

consuming another organism

c)

getting a benefit from another organism without harming or helping it

d)

getting a benefit from another organism while helping it

e)

belonging in the same niche with limited resources

6.

competition means:

a)

Living on or in another organism at that organisms expense

b)

consuming another organism

c)

getting a benefit from another organism without harming or helping it

d)

getting a benefit from another organism while helping it

e)

belonging in the same niche with limited resources

7.

Define the relationship: Sea anemone and clown fish

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

8.

The clownfish and anemone are mutualistic because:

a)

the clown fish gets protection

b)

the anemone gets food

c)

they live together

d)

both get eaten by other fish

9.

Define the relationship: humans and mosquitoes

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

10.

Mosquitoes are parasitic with humans because:

a)

They feed off human blood

b)

The human host is harmed

c)

They are annoying

d)

they spread disease

11.

Define the relationship: bromeliads and trees

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

12.

bromeliads and trees are in a commensal relationship because

a)

the tree provides shelter and an environment for the bromeliad

b)

the tree is harmed from the bromeliad taking food from it

c)

the tree is not harmed or helped by the bromeliad

d)

the tree takes nutrients from the bromeliad

13.

Define the relationship: wasp and caterpillar

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

14.

The wasp is a parasite to the caterpillar because

a)

The larvae live in the caterpillar

b)

the larvae eat the caterpillar

c)

the caterpillar takes the eggs away from the parents

d)

the caterpillar eats the flowers the wasps pollinate

15.

Define the relationship: rhino and cattle egret

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

16.

The rhino and egret are in a mutualistic relationship because:

a)

the egret eats the rhino's parasites

b)

the rhino protects the egret from other predators

c)

the egret gets a free ride

d)

the rhino gets covered in mud

17.

Define the relationship: two male peacocks

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

18.

The peacocks are in a competitive relationship because:

a)

they occupy the same ecological niche

b)

they both want the attention of the peahen

c)

they need to see who is biggest

d)

they need to see who is prettiest

19.

Define the relationship: giant anteater and termites

a)

Parasitism

b)

Predation

c)

Commensalism

d)

Mutualism

e)

Competition

20.

The anteater is a predator to the termites because:

a)

They eat the termites

b)

the termite population is controlled

c)

termites are a pest

d)

termites eat trees and wooden structures

21.

Which is considered the host?

a)

The larger of the two organisms

b)

The smaller of the two organisms

c)

The one "giving"/giving the most

d)

The one "taking"/taking the most

22.

Which is considered the symbiont?

a)

The larger of the two organisms

b)

The smaller of the two organisms

c)

The one "giving"/giving the most

d)

The one "taking"/taking the most