Biodiversity and evolution

A range of questions to test your knowledge on Module 3 of Unit 2.

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  • Created by: RhysWall
  • Created on: 19-05-12 17:41
Define biodiversity:
The range of ecosystems, habitats and species in exsistence today
1 of 6
Why should random sampling be used to sample a habitat?
To avoid bias and allow a representative sample to be taken
2 of 6
Species richness can be defined as:
The total number of species in a habitat
3 of 6
Define selection pressure
An external pressure that drives evolution in a particular direction
4 of 6
Reducing population size, reduces the gene pool of that species, which can increase what?
The risk of extinction
5 of 6
CITES stands for what?
The Convention on the International Trade in Endangered Species
6 of 6

Other cards in this set

Card 2

Front

Why should random sampling be used to sample a habitat?

Back

To avoid bias and allow a representative sample to be taken

Card 3

Front

Species richness can be defined as:

Back

Preview of the front of card 3

Card 4

Front

Define selection pressure

Back

Preview of the front of card 4

Card 5

Front

Reducing population size, reduces the gene pool of that species, which can increase what?

Back

Preview of the front of card 5
View more cards

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