Biology Unit 2 Revision

?
  • Created by: Abbie2510
  • Created on: 03-12-14 19:19

What is Speciation?

It is the formation of new and distinct species, in the course of evolution

1 of 6

Nmae 5 causes of Extinction:

Catastrophe

New predators

New competitors

Changes in the environment

New diseases

2 of 6

Name the 4 ways in which speciation can occur:

-Geographical Isolation

-Genetic Variation

-Natural Selection

-Speciation

3 of 6

What is Geographical isolation?

Where 2 populations of a species become geographically separated

4 of 6

What is Genetic Variation, within speciation

5 of 6

What is Genetic Variation, within speciation

6 of 6

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Extinction and Speciation resources »