Unit 6: Change Over Time Review(2)
Quiz
•
Biology
•
7th Grade
•
Practice Problem
•
Easy
James Burden
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
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
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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