Homologous, Analogous, and Vestigial Structures

Evidence of Evolution

What helps support Evolution?

Multiple Choice

What term describes part of organisms, that have a similar structure but a different function?

• homologous structure

• homologous chromosome

• vestigial structure

• analogous structure

Multiple Choice

Homologous structures are defined as the same structure but different function. In vertebrates the presence of homologous structures suggest?

• all vertebrates have a common ancestor

• all vertebrates developed at the same rate

• all vertebrates developed internally

Multiple Choice

This is an example of _________ structure.

• homologous

• Vestigial

• Analogous

Multiple Choice

This is an example of ___________ structure.

• Homologous

• Vestigial

• Analogous

Multiple Choice

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

• Homologous structures

• Analogous structures

• Vestigial structures

• Common core structures

Multiple Choice

What type of structure does this image illustrate?

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Select

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

Multiple Choice

This is an example of__________ structure.

• Homologous

• Vestigial

• Analogous

Multiple Choice

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

• the wings of a red-tailed hawk

• the hind limbs of a house cat

• the fins of sharks

• the tailbone of a human

Multiple Choice

A type of structure that is physically present, but does not seem to serve a significant function for an organism.

• Homologous structure

• Analogous structure

• Vestigial structure

• Standard structure

Multiple Choice

This is an example of _________ structure.

• Homologous

• Vestigial

• Analogous

Multiple Choice

If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative

• early ancestor

• unrelated organism

• embryological stage

Multiple Choice

Which of the following pieces of evolution evidence contain both homologous and vestigial structures?

• fossil record

• comparing embryology

• comparing biochemistry

• comparing anatomy

Multiple Choice

What type of evidence is shown in the image above?

• Fossils

• Vestigial structures

• Homologous Structures

• DNA

Multiple Choice

What type of evidence are shown in the picture above?

• Fossils

• Embryology

• Homologous Structures

• Vestigial Structures

Multiple Choice

According to this data, the unknown bacterial species is most closely related to: 

• Species I

• Species II

• Species III

• Species IV

Multiple Choice

The similarities of the bones in the diagram provide evidence that---

• The organisms shown have the same genetic diseases

• All vertebrate species have identical forelimbs

• The organisms shown lived in the same natural environment

• The organisms shown may have developed from a common ancestor

Multiple Choice

Which layer is the oldest?

• 1

• 2

• 3

• 4

Multiple Choice

Two organisms that are closely related would have

• very similar DNA sequence

• exactly the same DNA sequences

• no proteins in common

• completely different DNA sequence

Multiple Select

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

Multiple Select

Select the two most important characteristics that distinguish homologous structures.

• Similar bone structures

• Similar function

• Similar embryonic development

• Similar species

Multiple Choice

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

• Homologous

• Analogous

• Vestigial

• Modern

Multiple Choice

How would you describe this evolution?

• Homologous structure

• Analogous structure

• Structural adaption

• Functional adaption

Multiple Choice

This is a(n) __________ structure.

• Homologous

• Vesitigial

• Analogous

Multiple Choice

  Notice the similarities of a shark and dolphin.  If these similarities developed by  common life experiences and not by common ancestry, which of the following vocabulary words would best describe them?

• a.  Vestigial Organ

•   b.  Embryological Similarities

• c.  Homologous Structures

• d.  Analogous Structures

Multiple Choice

This is a(n) __________ structure.

• Homologous

• Vestigial

• Analogous