Evolution

Question 1

(Natural selection)
First step

Answer 1

Within a species there is normally a range of characteristics. This variation is caused by differences in an organisms genetic material

Question 2

(Natural selection)
Second step

Answer 2

The organisms with characteristics that are best suited to the environment will survive and breed. This is known as “survival of the fittest”

Question 3

(Natural selection)
Third step

Answer 3

The organisms that breed pass on their genetic material to their offspring. The offspring are more likely to have the characteristics that made the parent organism successful

Question 4

(Natural selection)
Fourth step

Answer 4

The process is repeated many times. Over a long period of time, this can lead to the development of new species.