Homologous and Vestigial Structures Review

The appendix, tailbone, and wisdom teeth are all examples of what type of structure in humans?

• Homologous

• Analogous

• Vestigial

• Modern

Tags

NGSS.MS-LS4-2

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures

• homologous structures

• adaptive radiation

• fossil

Tags

NGSS.MS-LS4-2

What type of structures are these?

• homologous

• vestigial 

• analogous

• fossil

Tags

NGSS.MS-LS4-2

Whales are aquatic mammals that contain a pelvis (hip) bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)

• vestigial structure

• analogous structure

• homologous structure

Tags

NGSS.MS-LS4-2

The similarities of bone structure in the diagram provide evidence of what?

• The organisms probably use there forelimbs for the same thing.

• The organisms evolved from a common ancestor.

• The organisms have the same DNA.

• All vertebrate species have identical forelimbs.

Tags

NGSS.MS-LS4-2

A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?

• Homologous structures

• Analogous structures

• Vestigial structures

• Fossil structures

Tags

NGSS.MS-LS4-2

Match the following

• Comparing DNA and amino acid sequences of different species

• Vestigial Structures

• Same function different structure

• Biochemical Evidence

• Comparing embryological development of different species

• Homologous Structure

• Structures in the body of an organism that no longer work.

• Analogous Structure

• Same structure different function

• Comparative Embryology

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which of the following is an example of a vestigial structure in humans?

• A) The appendix

• B) The heart

• C) The lungs

• D) The brain

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The wings of a bat and the arms of a human are considered what type of structures?

• A) Vestigial structures

• B) Analogous structures

• C) Homologous structures

• D) Functional structures

Tags

NGSS.MS-LS4-2

Which of the following best describes homologous structures?

• A) Structures that have different origins but similar functions

• B) Structures that have similar origins but different functions

• C) Structures that are no longer functional

• D) Structures that are identical in all species

Tags

NGSS.MS-LS4-2