Evidence and Mechanisms of Evolution Flashcard

Front

What is the genetic change in a population over long periods of time?

Back

Evolution

Front

What is the collection of life's remains found in sedimentary rock?

Back

The fossil record

Front

What process creates new variations and changes in DNA, leading to the creation of new alleles?

Back

Mutation

Front

What do similarities in bone arrangements suggest about organisms?

Back

These organisms share a common ancestor.

Front

What can be determined by observing the embryonic stages of two organisms?

Back

The organisms share a common ancestry.

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural Selection

Front

What are structures that are similar in different species due to shared ancestry called?

Back

Homologous Structures

Front

What is the term for the random changes in allele frequencies in a population?

Back

Genetic Drift

Front

What is the movement of alleles between populations called?

Back

Gene Flow

Front

What is the term for small-scale evolutionary changes within a species?

Back

Microevolution