Homologous and Analogous Structures

Match the following structures with their characteristics.

• Structures with the same ancestry but different functions

• Homologous structures

• Structures that have evolved from a common ancestor but have diversified

• Analogous structures

• Structures that have lost their original function

• Vestigial structures

• Structures with different ancestry but similar functions

• Divergent structures

Tags

NGSS.MS-LS4-2

Which of the following is an example of homologous structures?

• Wings of a bat and wings of an eagle

• Flippers of a dolphin and fins of a shark

• Wings of a bat and human hands

• Wings of an eagle and fins of a shark

Tags

NGSS.MS-LS4-2

The main reason that homologous structures have different functions is because they evolved to adapt to (a)   environments.

• different

• similar

• diverse

• identical

Tags

NGSS.MS-LS4-2

What are the structures called that perform the same function but have different ancestries?

• Homologous structures

• Analogous structures

• Vestigial structures

• Convergent structures

Tags

NGSS.MS-LS4-2

Which of the following pairs are analogous structures?

• Wings of a bat and wings of an eagle

• Flippers of a dolphin and fins of a shark

• Human hands and chimpanzee hands

• Wings of a bat and human hands

Tags

NGSS.MS-LS4-2

What is the primary material that makes up the fins of a shark?

• Bones

• Cartilage

• Feathers

• Skin

(a)   is an example of a highly modified leaf.

• Modified Leaf

• Example

• Plant

• Leaf

What is the function of the pitcher in a pitcher plant?

• Photosynthesis

• Water storage

• Insect digestion

• Seed dispersal

(a)   is NOT a characteristic of homologous structures.

• Similar structure

• Different function

• Common ancestry

• Different origin

Tags

NGSS.MS-LS4-2

What is the main function of the wings of a bat?

• Swimming

• Flying

• Climbing

• Digging