Vestigial Homologous Structures

Structures that are inherited from a common ancestor are homologous.

• True
• False

Tags

NGSS.HS-LS4-1

Humans, horses, dolphins, and bats all have similar arm bones. What is the reason for this?

• They all perform the same function

• They live in similar environments

• They have a common ancestor

• They all descend from humans

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Bat wings and butterfly wings are an example of

• Homologous structure

• Analogous structure

• Vestigial structure

• Natural selection

Analogous structures show body parts from different organisms that do the same thing and come from the same ancestor

• True

• False

Tags

NGSS.MS-LS4-2

Which of the following pieces of evidence for evolution contain both homologous and vestigial structures?

• fossil record

• comparing early development (embryos)

• comparing DNA evidence

• comparing body structures (anatomy)

When organisms share a common ancestor, have body parts with similar structures but perform different functions, these are known as

• vestigial structures

• analogous structures

• homologous structures

• fossil structures

Tags

NGSS.HS-LS4-1

What type of structure is being shown in the image?

• Homologous structure

• Analogous structure

• DNA

• Fossils

The structures shown are_________

• homologous
• heterologous
• analogous
• vestigial

Tags

NGSS.HS-LS4-1

Structures that are NOT inherited from a common ancestor are homologous.

• True

• False, they are analogous

Tags

NGSS.HS-LS4-1

The part of the whale circled in red is called

• Homologous structure

• Vestigial structure