Common Ancestors

A past relative (extinct species) shared by 2 or more living species today.

• homologous structures

• species

• embryo

• common ancestor

Tags

NGSS.MS-LS4-2

Based on the diagram, which letter represents the common ancestor shared by the Human and Hare?

• B

• C

• D

• E

• F

Tags

NGSS.MS-LS4-2

Based on the diagram, which letter represents the common ancestor shared by the Tuna and Hare?

• B

• C

• D

• E

• F

Tags

NGSS.MS-LS4-2

Based on the diagram, which two species share a more recent common ancestor?

• A and B

• A and C

• B and C

Tags

NGSS.MS-LS4-3

The diagram shows different vertebrate embryos. Which conclusion is supported by the diagram?

• Pigs evolved from reptiles.

• Reptiles evolved from birds.

• These organisms occupy the same niche.

• These organisms share a common ancestor.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What is common ancestry?

• When a species no longer exists

• When organisms are descended from a single ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which of the following describes the idea that all living creatures evolved from one original single-celled organism?

• Evolution

• Natural Selection

• Common Ancestry

• Adaptation

• Survival of the fittest

Tags

NGSS.MS-LS4-2

The diagram shows different vertebrate embryos. Which conclusion is supported by the diagram?

• Pigs evolved from reptiles.

• Reptiles evolved from birds.

• These organisms occupy the same niche.

• These organisms share a common ancestor.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

When organisms are related...

• They have 100% identical DNA

• They share a common ancestor

• They live in the same environment

• They have the same coloration

Tags

NGSS.MS-LS4-2

What number is the common ancestor of C and D

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2