Evidence for evolution
Assessment
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Jessica jsk
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Science
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12th Grade
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123 plays
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Medium
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17 questions
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1.
Multiple Choice
Scientists have found evidence that about 2.4 million years ago a gene regulating jaw muscles mutated and may have led to the more graceful human jaw we see today. The diagram below shows the skulls of 3 hominid species. Which statement below most closely explains the link between jaw size and hominid evolution?
The jaws of hominids evolved to be smaller and less protruding over time as did the skull.
The jaws of hominids evolved to be larger and more protruding over time.
There appears to be no change in the jaws of hominids over time.
The jaws of hominids changed over time due to a change in brain size
2.
Multiple Choice
Based on the illustration to the right, what do the similarities between human and chimpanzee hands and feet suggest about the different organisms?
Chimpanzees and humans both have hands and feet adapted for walking upright, showing they have identical DNA.
Chimpanzees and humans both have similar hands for grasping, proving they make and use complex tools.
Humans and chimpanzees both developed five digits on their hands and feet, suggesting they have a common ancestor.
Humans and chimpanzees both have thumbs, proving they eat similar foods like meat, nuts, and vegetation.
3.
Multiple Choice
The ability to walk upright on two legs is called:
bipedalism
quadropedalism
bicyclepedalism
tripedalism
4.
Multiple Choice
Brain size increased as jaw size decreased
Brain size decreased as jaw size increased
Bipedalism increased as use of tools increased
Bipedalism decreased as the use of tools increased
5.
Multiple Choice
Scientists have found evidence that about 2.4 million years ago a gene regulating jaw muscles mutated and may have led to the more graceful human jaw we see today. The diagram below shows the skulls of 3 hominid species.
Which statement below most closely explains the link between jaw size and hominid evolution?
The jaws of hominids changed over time due to a change in brain size.
There appears to be no change in the jaws of hominids over time.
The jaws of hominids evolved to be larger and more protruding over time.
The jaws of hominids evolved to be smaller and less protruding over time.
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