Structures and Evolution

A category of body structures that are formed in similar ways during embryonic development and share similar patterns of bone structure.

• Homologous structures

• Analogous structures

• Vestigial structures

• Bone structures

Tags

NGSS.HS-LS4-2

What type of structure does this image illustrate?

• Analogous structures

• Homologous structures

• Vestigial structures

Tags

NGSS.HS-LS4-4

In this image, the yellow shaded bones all appear similar in structure. However, their functions differ. Which describes the function of the yellow bones in the bat?

• Fingers to grasp objects

• Leg to walk on

• Wing for flying

• Fin for swimming

Tags

NGSS.HS-LS4-4

In this image, the yellow shaded bones all appear similar in structure. However, their functions differ. Which describes the function of the white bones in the whale?

• Fingers for grasping objects

• Leg for walking

• Wing for flying

• Fin for swimming

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Select the two most important characteristics that distinguish homologous structures.

• Similar bone structures

• Similar function

• Similar embryonic development

• Similar species

A category of structures that have a similar function, but are structurally different.

• Homologous structures

• Analogous structures

• Vestigial structures

• Common core structures

What type of structure does this image illustrate?

• Homologous structures

• Analogous structures

• Vestigial structures

Select all that apply to the image displayed.

• Has wings

• Has feathers

• Has bones

• Can fly

• An example of analogous structures

Tags

NGSS.HS-LS4-4

Which of the following is NOT true of analogous structures?

• Similar embryonic development

• Structures that perform the same function

• Different structural characteristics

• Different embryonic development

What are the most important characteristics of analogous structures?

• Structures that perform the same function

• Structurally different

• Structurally the same

• Structures that perform different functions