Quiz by megan1403, created more than 1 year ago

GCSE Geography (Ecosystems) Quiz on Ecosystems, created by megan1403 on 02/06/2013.

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Ecosystems

Question 1 of 4

1

How does biomass (plants and organisms) become litter (layer of vegetation on surface of the soil).

Select one of the following:

Plants and organisms die.
Plants and organisms eat the soil.

Explanation

Question 2 of 4

1

How does litter (layer of vegetation on surface of the soil) become soil?

Select one of the following:

Nutrients taken in as plants grow.
Nutrients released as plants decompose.

Explanation

Question 3 of 4

1

What comes in and goes out to create soil?

Select one of the following:

Some nutrients are added as rock is weathered, while some nutrients are lost due to leaching.
Some nutrients are lost as rock is weathered, while some nutrients are gained due to leaching.

Explanation

Question 4 of 4

1

How does soil enter biomass (plants and organisms)?

Select one of the following:

Animals eat the soil.
Nutrients are taken up by plants.

Explanation