A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

The extinct dinosaur and modern bird share a common ancestor

This is purely by chance and isn't significant

All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today

Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

What does the presence of homologous structures in different species suggest?

They evolved in similar environments

They are identical in structure

Which of the following best describes homologous structures?

Structures that have similar origins but different functions

Structures that have different origins but similar functions

Structures that are identical in all species

Structures that are unique to mammals

In evolutionary biology, what is the significance of homologous structures?

They provide evidence for common ancestry

They indicate convergent evolution

They show adaptation to similar environments

They are used to classify organisms into species

How do homologous structures support the theory of evolution?

By providing evidence of a shared evolutionary history

By showing that different species can develop similar traits independently

By demonstrating that similar structures can have different functions

By indicating that all species are unrelated

What is a key characteristic of homologous structures?

They arise from the same embryonic tissues

They are always visible externally

They have the same function in all species

They are found only in vertebrates

Why are homologous structures important in the study of phylogenetics?

They help trace the evolutionary relationships between species

They show how species adapt to their environments

They indicate the age of fossils

They are used to identify new species

Which of the following statements is true about homologous structures?

They have a similar anatomical position in different species

They always perform the same function

They are evidence of convergent evolution

They are found only in extinct species

What can the study of homologous structures reveal about the history of life on Earth?

The evolutionary pathways of different species

The exact age of different species

The environmental conditions of ancient Earth

Homologous Structure

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The structures shown are_________

homologous

heterologous

analogous

vestigial

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An example of a homologous structure

human arm and bird wing

rat appendix and human appendix

wing of butterfly and bird wing

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The diagram shows an image of a Pterosaur wing, bat wing, and bird wing. These are all different organisms, but share similar wing structures. If these structures are similar due to common ancestry, which of the following best describes them?

Vestigial Organ

Embryological Similarities

Homologous Structures

Analogous Structures

Tags

NGSS.MS-LS4-2

DRAG AND DROP QUESTION

1 min • 1 pt

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) (a) structure.

vestigial

analogous

homologous

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as

vestigial structures

analogous structures

homologous structures

fossil structures

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is this an example of?

vestigial structures

embryology

homologous structures

fossil record

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following pieces of evolution evidence deals with comparing similar structures in various species?

fossil record

comparing embryology

comparing biochemistry

comparing anatomy

Tags

NGSS.MS-LS4-2

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Homologous Structure

The structures shown are_________

An example of a homologous structure

The diagram shows an image of a Pterosaur wing, bat wing, and bird wing. These are all different organisms, but share similar wing structures. If these structures are similar due to common ancestry, which of the following best describes them?

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) (a) structure.

Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as

What is this an example of?

Which of the following pieces of evolution evidence deals with comparing similar structures in various species?

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

What
type
of structure?

What
type
of structure?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Homologous Structure

The structures shown are_________

An example of a homologous structure

The diagram shows an image of a Pterosaur wing, bat wing, and bird wing. These are all different organisms, but share similar wing structures. If these structures are similar due to common ancestry, which of the following best describes them?

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) (a) structure.

Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as

What is this an example of?

Which of the following pieces of evolution evidence deals with comparing similar structures in various species?

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

Whattypeof structure?

Whattypeof structure?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

What
type
of structure?

What
type
of structure?