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X

O

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1

What can cause succession in an ecosystem?

1

Organisms in an ecosystem, change in climate, adding new plants or

animalsHome

2

What is secondary succession?

2

When damaged ecosystem naturally rebuildHome

3

What is extinction?

3

Death of an entire speciesHome

4

Give two examples of pollution

4

Acid rain, chemicals, burning fossil fuelHome

5

What are the three ways we can conserve ecosystems?

5

Reduce, reuse, recycleHome

6

What is symbiosis?

6

The relationship between different organisms Home

7

What is mutualism and give an example.

7

When both organisms benefit. Example: ant and aphids, birds and rhino

Home

8

What is commensalism and give an example.

8

When one animal benefits from the relationship but the other isn’t affected.

Example: remora and shark, barnacles and whale

Home

9

What is parasitism and give an example of a parasite and a host.

9

When one organism benefits and the other is harmed. Example: roundworm/tapeworm,

virus, sea lamprey (parasites)Home