More cards in this set

Card 6

Front

A square piece of equipment that can be used to estimate population density and frequency

Back

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Card 7

Front

succession that occurs when soil is already present, for example after a forest fire.

Back

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Card 8

Front

A pyramid that is ALWAYS pyramid shaped.

Back

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Card 9

Front

The number of individuals of one species.

Back

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Card 10

Front

The first stage of respiration

Back

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Card 11

Front

This will be low in a hostile environment.

Back

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Card 12

Front

The process of converting ammonium compounds into nitrates, then nitrites.

Back

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Card 13

Front

A pyramid that shows the number of individuals in each trophic level

Back

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Card 14

Front

adenosine triphosphate

Back

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Card 15

Front

The effect of fertilisers running into aquatic ecosystems, often with devastating effects.

Back

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