Extinction And Speciation

Question 0

What are the six reasons why a species may become extinct?

Answer 0

1. Environmental changes
2. A new predator kills them all
3. A new disease kills them all
4. They can’t compete with another
5. A catastrophic event e.g. Volcano
6. A new species develops (speciation)

Question 1

Why does extinction happen?

Answer 1

If you can’t evolve quickly enough

Question 2

What is speciation?

Answer 2

A new species develops

Question 3

How does it occur?

Answer 3

When populations of the same species become so different that they can no longer breed together to produce fertile offspring

Question 4

What leads to speciation?

Answer 4

Isolation and natural selection