Variation and Evolution: Evolution by natural selection.

Question 1

What is evolution?

Answer 1

• ## Evolution is the change in the inherited characteristics of a population over time through a process known as Natural Selection.

Question 2

How are new species formed?

Answer 2

• Two populations of 1 species can become so different in Phenotypes, that they can no longer interbreed to produce fertile offspring.
• Two populations become 2 sepererate species.