Evolutionary History Unit

Front

What is evolutionary history?

Back

The study of how species change over time through processes like natural selection and adaptation.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is a common ancestor population?

Back

An older population from which two or more species have descended.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Front

What does it mean for species to share similar structures?

Back

It indicates that they may have evolved from a common ancestor.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is adaptation?

Back

A change in a species that makes it better suited to its environment.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

What is a descendant species?

Back

A species that has evolved from a common ancestor.

Tags

NGSS.MS-LS4-2

Front

What is the significance of shared structures in evolutionary biology?

Back

Shared structures suggest evolutionary relationships and common ancestry among species.

Tags

NGSS.MS-LS4-2

Front

How can environmental changes affect a species?

Back

Environmental changes can lead to adaptations in species, sometimes resulting in changes in body structures.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Front

What is a trait?

Back

A characteristic or feature of an organism that can be inherited.

Tags

NGSS.MS-LS4-4

Front

What is mutation?

Back

A change in the DNA sequence of an organism that can lead to new traits.

Tags

NGSS.MS-LS3-1