Evolutionary History

What is a related organism from a previous generation?

• an adaptive trait

• an ancestor

• a descendant

• a generation

Tags

NGSS.MS-LS4-2

What is a group of individuals born and living at about the same time?

• an adaptive trait

• an ancestor

• a descendant

• a generation

What is the process by which species adapt to environmental changes over a very long time ?

• evolution

• a common ancestor population

• descending species

• a generation

Tags

NGSS.MS-LS4-4

What is an example of a shared body structure?

• the distal bones in a whale and the distal bones in a wolf

• the distal bones in a whale and the pelvis in a whale

• the distal bones in a whale and the pelvis in a wolf

• the pelvis in a wolf and the distal bones in a wolf

Tags

NGSS.MS-LS4-2

Species ______ their body structures from their _______ populations.

• evolve, previous

• inherit, descendant

• inherit, ancestor

• evolve, descendant

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

What is a descendant population?

• the process by which one population evolves into two or more different species

• a group of the same type of organism living in the same area

• an older population from which two or more newer species descended

• a more recent species that evolved from an ancestor population

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

An ancestor population has to have ...

• all of the body structures that its descendant species share.

• a group of the same type of organisms living in the same area.

• most of the body structures that its descendant species share.

• a few of the body structures that its descendant species share.

Tags

NGSS.MS-LS4-2

What is a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group

• a generation

• a species

• a population

• an ancestor

What is the process in which populations CHANGE gradually over time?

• evolution

• species

• variation

• competition

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

What do we call structures that no longer perform their original function?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure