Unit 6 - Evolution Review

Front

What is a vestigial structure?

Back

A vestigial structure is a body part that has lost its original function through evolution. An example is the pelvis bone in whales.

Front

What is evolution?

Back

Evolution is the change over time in the heritable characteristics of biological populations.

Front

What is camouflage?

Back

Camouflage is an adaptation that allows an animal to blend into its environment to avoid detection by predators.

Front

What is heredity?

Back

Heredity is the passing of genetic traits (DNA) from parent to offspring.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a homologous structure?

Back

A homologous structure is an anatomical feature that is similar in different species due to shared ancestry.

Front

What is an analogous structure?

Back

An analogous structure is a body part that performs a similar function in different species but does not share a common ancestry.

Front

What is selective breeding?

Back

Selective breeding is the process of breeding plants and animals for particular genetic traits.

Front

What is mimicry?

Back

Mimicry is an adaptation where one species evolves to resemble another species for protection or other advantages.

Front

What is the significance of a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms based on a series of choices that lead to the correct name.