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Food webs, food chains and bioaccumulation

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

How is a biome described?

(a)  

2.

What is an ecosystem?

(a)  

3.

What is a food chain?

a)

The rage of organisms living in an area.

b)

A diagram showing a set of linked food chains.

c)

A diagram that shows the transfer of energy between organisms.

4.

What is a producer?

a)

An organism that creates it own food and energy.

b)

An organism that is at the top of the food chain.

c)

An organism that eats plants.

d)

An organism that just eats meat.

5.

What is the top predator?

(a)  

6.

A food web is a set of linked food chains.

a)

True

b)

False

7.

What is interdependence?

(a)  

8.

What is bioaccumulation?

a)

A habitat in which some animals live in.

b)

Lots of food webs joined together from a specific ecosystem.

c)

When toxins accumulate in living organisms' bodies.

9.

If a mouse eats poison, will it affect the snake's health when it eats the mouse.

a)

True

b)

False

10.

What would you say would happen if a there was no grass in an ecosystem. There would be a 'producer ... decrease'

(a)  

11.

If the snail population decreased, the thrush population will also decrease as well as the hawks because the frogs and voles might not get enough energy if their prey population is decreasing. What do we call this?

a)

Interdependence

b)

Bioaccumulation

c)

Food chain

d)

Consumer population