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Unit 6: Change Over Time Review(2)

Authored by James Burden

Biology

7th Grade

Used 8+ times

Unit 6: Change Over Time Review(2)
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A trait that helps an organism survive and reproduce is called a(n)...

adaptation

variation

selection

mutation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a species competes for resources such as food, mates, or territory it is called...

adaptations

competition

variations

overproduction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Using the phylogenetic tree above, which of the following species does not have tail flukes?

Blue Whale

Dorudon

Killer Whale

Pakicetus

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which trait identifies the major difference between a hippo and a blue whale

Loss of external hind legs

Underwater nursing

Living in seawater

carnivorous diet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: Variation Among organisms of a species are caused by random mutations in their genes

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: A Theory is an scientific observation that can be proved by math.

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What did Charles Darwin infer about organisms in South America and the Galapagos Islands?

The Galapagos organisms looked more like organisms from Africa.

The Galapagos organisms were completely unrelated to the organisms found on mainland South America.

The Galapagos organisms were virtually identical to the organisms found on mainland South America.

The Galapagos organism looked similar to the mainland South America organisms but they had become different species.

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