3.3.1 - The importance of diversity and measuring it. Flashcards

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1
Q

Why is biodiversity important?

A

When one species is disrupted others will be to.
Some organisms purify the air and water.
Provides genetic variation in ecosystems.

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2
Q

Why does biodiversity vary?

A

Human activities
Natural events
Higher photosynthesis
Time of the year
Areas where organisms can grow quicker.

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3
Q

How can you asses biodiversity?

A

Species richness - The number of species in an area
Relative abundance - The evenness of distributions of different species.

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4
Q

What is endemism?

A

The number of species in an area that are found nowhere else.

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5
Q
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