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Common Ancestry Review

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Common Ancestry Review
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a homologous structure?

having a body part that has no known function

similar structures in more than one organism because they evolved from a common ancestor

a structure that evolved to help an organism survive in their environment

similar structures that evolved independently in two living organisms to serve the same purpose

Tags

NGSS.MS-LS4-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Whales live in the ocean. They do not have legs, but they do have a pelvis with small leg bones attached to it. This is evidence that:

Whales are not well adapted to ocean life.

Whales do not have homologous structures

Whales evolved from animals that once lived on land

Whales evolved from some type of fish

Tags

NGSS.MS-LS4-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What evidence do similarities between fossil bones and modern organisms provide?

species that face similar environmental pressure will develop similar traits.

homologous structures are evidence that the two species are related or shared a common ancestor

natural selection

adaptive structures help organisms survive in their habitat

Tags

NGSS.MS-LS4-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which animal is most closely related to birds?

shark

Primate

rabbit

crocodile

Tags

NGSS.MS-LS4-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When organisms are related...

They have 100% identical DNA

They share a common ancestor

They live in the same environment

They have the same coloration

Tags

NGSS.MS-LS4-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is common ancestry?

When a species no longer exists

When organisms are descended from a single ancestor

Tags

NGSS.MS-LS4-2

7.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

Media Image

The diagram shows different vertebrate embryos. Which conclusion is supported by the diagram?

A. Pigs evolved from reptiles.

B. Reptiles evolved from birds.

C. These organisms occupy the same niche.

D. These organisms share a common ancestor.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

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