Biology, 21.04.2021 20:50 mareiashanti002
Modern humans do not need wisdom teeth. Some people never have them,
and other people need to get them removed. What does the existence of unused structures, such as wisdom teeth, suggest about the ancestry of
humans?
A. Humans in the 18th century used their wisdom teeth to chew raw
plant material.
B. Humans evolved from chimpanzees, who use their wisdom teeth
to digest their diet.
C. Humans evolved from an earlier species that had wisdom teeth,
which were important to the survival of the earlier species.
D. Wisdom teeth may help humans survive as conditions on Earth
change.
Answers: 3
Biology, 21.06.2019 21:30
I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.
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In which situations is the principle of cross-cutting relationship useful in determining relative age?
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Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel
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What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures
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Modern humans do not need wisdom teeth. Some people never have them,
and other people need to get...
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