5.2 - Natural Selection

Question 1

Essential idea:

Answer 1

The diversity of life has evolved and continues to evolve by natural selection.

Question 2

5.2.U2 Mutation, meiosis and sexual reproduction cause variation between individuals in a species.

Answer 2

There is variation between members of a species
As a result of random mutation (DNA replication or random mutation)
As a result of sexual reproduction
- meiosis(crossing over, random assortment)
- random fertilization