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Year 9 Science Ecology week 1 - Relationships between organisms

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What kinds of relationships would you find in a food web?

a)

Mutualism

b)

Commensalism

c)

Predator-prey

d)

Symbiosis

2.

A predator-prey relationship is where...

a)

One animal benefits from the other and the other is harmed.

b)

The two species compete for food, resources or a mate.

c)

One animal benefits from the other and the other is unaffcted.

d)

One animal hunts and consumes the other.

3.

A mutualism is a relationship where...

a)

One animal benefits from the other and the other is harmed.

b)

One animal benefits from the other and the other also benefits.

c)

One animal benefits from the other and the other is unaffcted.

d)

The two species compete for food, resources or a mate.

4.

A commensalism is a relationship where...

a)

One animal benefits from the other and the other is harmed.

b)

One animal benefits from the other and the other also benefits.

c)

One animal benefits from the other and the other is unaffcted.

d)

The two species compete for food, resources or a mate.

5.

A parasitism is a relationship where...

a)

One animal benefits from the other and the other is harmed.

b)

One animal benefits from the other and the other also benefits.

c)

One animal benefits from the other and the other is unaffcted.

d)

The two species compete for food, resources or a mate.

6.

The relationship between a bear and salmon would be best described as...

a)

Mutualism

b)

Predator-prey

c)

Commensalism

d)

Competition

7.

The relationship between a bees and flowers would be best described as...

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Competition

8.

The relationship between a remora fish and a shark would be best described as...

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Competition

9.

The relationship between a tapeworm and human host would be best described as...

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Competition

10.

When a woodpecker and a squirrel compete for habitats in trees it is called...

a)

Interspecific competition

b)

Intraspecific competition

11.

When two wedge-tailed eagles are hunting for the same food source is is called

a)

Interspecific competition

b)

Intraspecific competition

12.

Which of the following is not an example of symbiosis

a)

Mutualis.

b)

Commensalism

c)

Competition

d)

Parasitism

13.

Symbiosis means that organisms in a relationship

a)

always benefit from each other

b)

never benefit from each other

c)

are unaffected by each other

d)

have at least one organisms that benefits

14.

When a Kapoc trees grows taller than other trees to get available sunlight, the relationship between the Kapoc tree and the other can be described as...

a)

Predator-prey

b)

Commensalism

c)

Competition

d)

Parasitism

15.

Arctic puffins often build nests from old rabbit holes. This relationship between puffins and rabbits is bets described as...

a)

Mutualism

b)

Parasitism

c)

Competition

d)

Commensalism