Variation and Evolution

Question 1

Variation Categories

Answer 1

Inherited- controlled by genes
Acquired- Differences that result from the environment

Question 2

Evolution

Answer 2

Genetic change within a species over time

Question 3

Scientists responsible for Theory of Evolution by Natural Selection

Answer 3

Charles Darwin
Russel Wallace

Question 4

Sources of evidence for evolution

Answer 4

Fossils/palaeontology
Study of embryos
Genetics

Question 5

Significance of mutation in relation to natural selection

Answer 5

New phenotypes
Better adapted
Survival of the fittest

Question 6

Variation

Answer 6

Differences that exist between individuals of a species

Question 7

Species

Answer 7

A group of organisms capable of interbreeding in order to produce fertile offspring

Question 8

Characteristics

Answer 8

Traits or features that are inherited genetically