Evolution and Homologous Structures

Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?

• The function of these bones is the same in all animals
• They live in similar environments
• They have a common ancestor
• All organisms resemble humans

Tags

NGSS.MS-LS4-2

Structures that are inherited from a common ancestor are homologous.

• True
• False

Tags

NGSS.MS-LS4-2

According to the cladogram, which organism is most distantly related to the human?

• crayfish
• grasshopper
• perch
• frog

Tags

NGSS.MS-LS4-2

According to this cladogram, sharks are MOST closely related to which organism? 

• Amphibians
• Ray finned fish
• Crocodiles
• Birds

Tags

NGSS.MS-LS4-2

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Tags

NGSS.MS-LS4-2

Biologists discover two rabbit species living on opposite sides of a large river. What could they do to test and see if these species came from a common ancestor?

• Compare DNA sequences
• Compare body structures
• Compare protein sequences
• All of these

Tags

NGSS.MS-LS4-2

The arrangements of DNA and Amino Acids can determine how close organisms are. 

• DNA and Amino Acid squence
• Analgous
• Homologous 
• Vestigial 

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-2

The changes of species over time

• Embryonic 
• Natural selection 
• Mimicry 
• Evolution 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which layer is the oldest

• B
• A
• E
• C

Tags

NGSS.MS-ESS1-4

Which layer is the youngest

• 1
• 2
• 3
• 4

Tags

NGSS.MS-ESS1-4