Homologous and Vestigial Structures

Structures that are inherited from a common ancestor are homologous.

• True
• False

Tags

NGSS.HS-LS4-1

Bird wings and butterfly wings are an example of

• Homologous structure
• Analogous structure
• Mimicry
• Camoflague

Tags

NGSS.MS-LS4-2

Shark fins and dolphin fins are examples of analogous structures.

• True
• False

Tags

NGSS.MS-LS4-2

Analogous structures show common ancestry.

• True
• False

Tags

NGSS.HS-LS4-1

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.HS-LS4-4

Penguin flipper and fish fin

• Homologous

• Vestigial

• Analogous

• None of the above

Tags

NGSS.HS-LS4-4

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.HS-LS4-1

An anatomical feature that no longer seems to have a purpose in the current form of an organism

• 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