Understanding Homologous, Analogous, and Vestigial Structures

The human arm and the wing of a bat are examples of _ ____________ structures.

• homologous

• analogous

• vestigial

Tags

NGSS.MS-LS4-2

The appendix is an example of a ____________ structure in humans.

• homologous

• analogous

• vestigial

Which of the following is an example of a homologous structure?

• The wings of a bat and a bird

• The arms of a human and the legs of a dog

• The wings of an insect and a bird

• The fins of a fish and the wings of a penguin

Tags

NGSS.MS-LS4-2

The wings of birds and insects are examples of what type of structure?

• Homologous

• Analogous

• Vestigial

• None of the above

Tags

NGSS.MS-LS4-2

Which of the following is NOT a vestigial structure?

• Human appendix

• Whale pelvis

• Human heart

• Snake leg bones

Tags

NGSS.MS-LS4-2

Homologous structures are inherited from a common ____________.

• ancestor

• function

• structure

Tags

NGSS.MS-LS4-2

Which of the following pairs are considered analogous structures?

• A) Bird wings and insect wings

• B) Human arms and bat wings

• C) Whale flippers and human arms

• D) Human appendix and snake leg bones

Tags

NGSS.MS-LS4-2

Which of these is NOT an example of a homologous structure?

• A) Whale flippers and human arms

• B) Cat limbs and human arms

• C) Bird wings and insect wings

• D) Dog legs and whale flippers

Tags

NGSS.MS-LS4-2

What is considered a vestigial structure?

• Appendix

• Heart

• Brain

• Lungs

Tags

NGSS.MS-LS4-2

Fill in the blank: Homologous structures provide evidence for _______ because they show how different species can have similar anatomical features due to a common ancestor.

• A) evolution

• B) adaptation

• C) mutation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3