Topic 1 Evolution

Question 1

• Evolution is the changes in populations, species or groups; changes in allele (traits) frequencies in populations over time.

Answer 1

Note

Question 2

• The changes in allele frequencies that occur over time within a population due to mutation, selection, gene flow, gene drift, and nonrandom mating.

Answer 2

Microevolution

Question 3

• The patterns of changes in groups of related species over broad periods of geologic time. Patterns determine phylogeny (evolutionary relationships among species and groups of species). These patterns can be used to establish a phylogenetic tree

Answer 3

Macroevolution