3.3.1 - The importance of diversity and measuring it. Flashcards
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.
2
Q
Why does biodiversity vary?
A
Human activities
Natural events
Higher photosynthesis
Time of the year
Areas where organisms can grow quicker.
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.
4
Q
What is endemism?
A
The number of species in an area that are found nowhere else.
5
Q
A
