Common Ancestor Evolution

What term best describes the relationship between these forelimbs?

• They are vestigial.

• They are analogous.

• They are homologous.

• They are embryological.

Tags

NGSS.MS-LS4-2

What best describes the hind bones seen in the whale?

• fossil structures from an extinct ancestor

• vestigial structures that had a function in an ancestor

• analogous structure to the fins of a living fish

• homologous structures to the wings of butterflies

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

According to the diagram, which of the following pairs of insect groups likely share the MOST homologies?

• aphids and bees

• moths and mosquitoes

• bees and wasps

• wasps and beetles

Tags

NGSS.MS-LS4-2

According to the diagram, which of the following pairs of insect groups likely share the LEAST homologies?

• beetles and moths

• grasshoppers and mosquitoes

• mosquitoes and flies

• flies and moths

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

According to the diagram, which species changed the least over time?

• bees

• beetles

• flies

• aphids

Which of the following statements is supported by the phylogenetic tree illustrated?

• grasshoppers became extinct hundreds of millions of years ago

• mosquitoes and flies are members of the same species

• flies did not become a species until just a few hundred years ago

• beetles share a common ancestor with moths

Tags

NGSS.MS-LS4-2

Which statement best represents the illustration?

• volves, bison, and horses are mammals

• wolf, bison, and horse structures show no evidence of relationship

• wolves, bison, and horses evolved in the same habitat

• wolves, bison, and horses share homologous structures

Tags

NGSS.MS-LS4-2

Based on the diagram, which pair of organisms most likely share the most recent common ancestor?

• wolf and bison

• wolf and horse

• bison and horse

• cannot be determined

Tags

NGSS.MS-LS4-2

What is the most important question to ask when analyzing homologies to determine common ancestry?

• Do they live in similar places?

• Are the structures similar?

• Do they have a similar function?

• Do they eat the same foods?

Tags

NGSS.MS-LS4-2

Which two species are most closely related?

• species 1 & 2

• species 2 & 3

• species 3 & 4

• species 1 & 4

Tags

NGSS.MS-LS4-2