Topic 6 - Variation

Question 1

What is variation?

Answer 1

Variation is slight differences within a species.

Question 2

What two types of variation are there?

Answer 2

Genetic and environmental

Question 3

What causes genetic variation?

Answer 3

An organism’s characteristics are determined by the genes inherited from its parents. Most animals get some genes from father and some from mother, the combining of which gives genetic variation

Question 4

What is environmental variation?

Answer 4

The environment (conditions) an organism live sin causing differences between members of the same species

Question 5

What are some examples of environmental variation?

Answer 5

• Plants growing in sunlight vs shade

- suntan

Question 6

Most characteristics are determined by ____

Answer 6

A mixture or genetic and environmental factors

E.g. max height, genes may give max height but growth depends on environment

Question 7

Mutations can result in a new ___ , introducing variation into a species

Answer 7

Phenotype