Unit 4 Topic 2 Evolution

Question 1

Evidence for Evolution

Answer 1

Comparative Anatomy, Embryology and development Fossil record, DNA comparison

Question 2

Evolution definition

Answer 2

Any change in heritable traits within a population across generations.

Question 3

Causes of Evolution

Answer 3

Mutation, Gene flow, Genetic drift, Natural drift, Non-random mating

Question 4

What is microevolution

Answer 4

small-scale changes within a species, occurring over short periods. Factors like mutation, natural selection, genetic drift, and gene flow can lead to new traits emerging, but no new species are formed.

Question 5

What is macroevolution

Answer 5

happens over long periods and results in large-scale changes. the emergence of new species or even new groups of organisms. processes like speciation, where populations evolve into distinct species, and major shifts in biodiversity.