A human's arm, cat's leg, and a bat's wing:

• have similar bones arranged in similar order

• share many similarities with insects

• have nothing in common

• all have the exact same function

Tags

NGSS.MS-LS4-2

If two embryos look very similar, what does that tell you about a common ancestor?

• The two organisms are NOT closely related

• The two organisms are closely related

• Embryos have nothing to do with evidence

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

A change over time, the process by which modern organisms have descended from ancient organisms

• evolution

• embryo

• homologous structure

• fossil record

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Organisms in their very early stage of development before they are born are called:

• vestigial structures

• embryos

• anatomy

• Pangaea

Tags

NGSS.MS-LS4-3

The __________ shows a historical sequence of life documented by scientists and shows that organisms have changed over time.

• Origins of Species

• fossil record

• embryo

• Continental Drift

Tags

NGSS.MS-LS4-1

The whale is related to a land mammal that once walked on land and slowly evolved to live in the water.

• True

• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The earliest embryos of a human and a pig look similar, so they are closely related.

• False

• True

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

The earliest embryos of a human and a fish look different, so they are most closely related.

• True

• False

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

The wings of a butterfly and the wings of a bird have a similar function (job), yet have very different structures (parts). These structures are called:

• vestigial structures

• analogous structures

• homologous structures

• embryonic structures

Tags

NGSS.MS-LS4-2

A record of the geologic events and life forms in Earth's history.

• anatomy

• relative age

• evolution

• geological time scale

Tags

NGSS.MS-ESS1-4