Evidence of Common Ancestry

Homologous structures

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• 

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Change in species over time

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

NGSS.MS-LS4-4

No evolution - species is well adapted to its environment

• fossil

• homologous structures

• stasis

Similar DNA sequences

• Embryological Homologies

• Homologous Structures

• Analogous Structures

• Molecular Structures

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Same/Similar structures

• Homologous Structures

• Analogous Structures

• Molecular Structures

• Embryonic Homologous

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

• Molecular

• Embryonic Homologies

• Homologous Structures

Tags

NGSS.MS-LS4-3

Adaptation

• Helps organism die

• Helps organisms survive and reproduce

• Molecular and embryonic homolgoes

• Common ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Based on the cladogram, the ancestral species most likely had -

• a vertebral column

• a vertebral column and hair

• sharp teeth and retractable claws

• the ability to purr

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Based on the cladogram, which species is most closely related to the house cat?

• wolf

• horse

• tiger

• turtle

Tags

NGSS.MS-LS4-2

These limbs provide evidence of common ancestry because they-

• have the same basic structure

• perform the same function

• are the same size

• are parts of mammals

Tags

NGSS.MS-LS4-2