AP BIO Evolution

Darwin's theory that life one earth is constantly changing is driven by what process?

• Hardy-Weinberg Equilibrium

• natural selection

• genetic drift

• stabilizing selection

Which concept is a key mechanism of evolution, contributing to the diversity of life on Earth?

• Gene flow

• Artificial selection

• Natural selection

• Mutation

What principle states that allele frequencies in a population will remain constant in the absence of evolutionary influences?

• Hardy-Weinberg principle

• Lamarck's theory

• Punctuated equilibrium

• Gene pool concept

Which of the following best describes the process by which organisms better adapted to their environment tend to survive and produce more offspring?

• Survival of the fittest

• Genetic drift

• Bottleneck effect

• Founder effect

Sexual dimorphism develops when ___

• males and females within the same species evolve different forms

• males and females of different species evolve different forms

• when males and females evolve to look exactly the same

Modern-day evolutionary theory assumes that _____ changes add up over time to produce ____

• all evolutionary change is steady and gradual

• all evolutionary change occurs rapidly

• micro-evolutionary / speciation events

• allele frequency / no changes

A population is non-evolving if five conditions are met. This is called ___

• genetic drift

• Hardy-Weinberg equilibrium

• natural selection

• gene flow

What does the term 'genetic drift' refer to?

• The movement of alleles from one population to another

• A theory that suggests organisms can pass on traits acquired during their lifetime

• A change in allele frequencies in a population due to chance events

• The process by which individuals with advantageous traits produce more offspring

Which mechanism of evolutionary change involves the transfer of genes between populations?

• Natural selection

• Genetic drift

• Gene flow

• Mutation

Nodes in phylogenetic trees represent ___

• common ancestors

• speciation events

• points where an extinction took place