Extinction and Speciation

Question 1

what is extinction?

Answer 1

Extinction happens when a species cannot adapt quickly enough to the environment change and they all die

Question 2

name 6 way in which extinction can happen

Answer 2

1. The environment changes too quickly
2. A new predator kills them all
3. A new disease kills them all
4. They cannot compete with another species for food
5. A natural disaster kills them all
6. A new species develop

Question 3

what is speciation?

Answer 3

Speciation is when a new species develops, this happens when populations of the same species become so different that they can no longer breed together to produce fertile offspring

Question 4

what are the four stages of isolation?

Answer 4

1. Two populations of the same species
2. Physical barriers separate populations
3. Populations adapt to new environments (and can no longer breed together)
4. Development of new species