Homologous and Analogous Structures Review

How would you describe this evolution?

• Homologous structure

• Analogous structure

• Structural adaption

• Functional adaption

Tags

NGSS.MS-LS4-2

The structures shown are_________

• homologous

• heterologous

• analogous

• vestigial

Tags

NGSS.MS-LS4-2

Which of the following pieces of evolution evidence deals with comparing similar structures in various species?

• fossil record

• comparative embryology

• comparative biochemistry

• comparative anatomy

Tags

NGSS.MS-LS4-2

Which describes how these limbs have changed over time?

• The bones have become stronger.

• The toes have reduced in number.

• The bones have become shorter.

• They have gained additional toes.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

What conclusion can be made from this picture?

• Whales and their ancestors have always been ocean dwellers.

• Ancestors of whales had fewer bones than modern whales.

• Whales and their ancestors have always been ocean dwellers.

• Ancestors of whales may once have been able to walk.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

Are the following structures homologous or analagous?

• Homologous

• Analagous

Tags

NGSS.MS-LS4-2

Do these homologous structures share a common ancestor?

• yes

• no

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Are the bird and Bat wing structures homologous or analogous?

• homologous

• analogous

Tags

NGSS.MS-LS4-2

If two organisms share a common ancestor they are known to be

• Homologous

• Analogous

Tags

NGSS.MS-LS4-2

What is a homologous structure?

• having a body part that has no known function

• similar structures in more than one organism because they evolved from a common ancestor

• a structure that evolved to help an organism survive in their environment

• similar structures that evolved independently in two living organisms to serve the same purpose

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3