Natural Selection Means the ‘Survival of the Fittest’

Question 1

Natural selection is one of the key processes that causes?

Answer 1

Evolution

Question 2

1) What do all living things show?

Answer 2

Variation - not all the same

Question 3

2) Why must individuals compete for resources?

Answer 3

• resources are limited

- to survive

Question 4

3) Some of the varieties of a particular species will have…

Answer 4

A better chance of survival

Question 5

3) What will those varieties them have?

Answer 5

An increased chance of breeding and passing on their genes

Question 6

4) What does this mean in terms or proportion of individuals in the next generation?

Answer 6

A great proportion of individuals in the next generation will have the better alleles, and so the characteristics, that help survival

Question 7

5) What happens to species over many generations?

Answer 7

They become better and better able to survive

Question 8

The ‘best’ features are…. and the species becomes…..

Answer 8

Naturally selected and the species becomes more and more adapted to its environment