Evolutionary 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

Bird wings and butterfly wings are an example of

• Homologous structure
• Analogous structure
• Mimicry
• Camoflague

Tags

NGSS.MS-LS4-2

Analogous structures show common ancestry.

• True
• False

Tags

NGSS.MS-LS4-2

Evolved from the same ancestor, but have different functions

• Homologous structures

• Analogous structures

• Vestigial structures

• All of the above

Tags

NGSS.MS-LS4-2

Evolved from different ancestors, but due to living in similar environments have a similar function.

• Homologous structures

• Analogous structures

• Vestigial structures

• All of the above

Tags

NGSS.MS-LS4-2

An anatomical feature that no longer seems to have a purpose in it's current form

• Homologous structure

• Analogous structure

• Vestigial structure

• None of the above

Which of the following are vestigial structures humans have? Select all that apply.

• Appendix

• Tailbone

• Forearm bones

• Goosebumps

Tags

NGSS.MS-LS4-2

The structures shown are_________

• homologous
• heterologous
• analogous
• vestigial

Tags

NGSS.MS-LS4-2

How would you describe this evolution?

• Homologous structure
• Analogous structure
• Structural adaption
• Functional adaption

Tags

NGSS.MS-LS4-2

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