An asteroid that impacted Earth about 66 million years ago is believed to be responsible for ____.
A) the creation of life on Earth
B) a global catastrophe that may have wiped out the dinosaurs
C) the splitting of one land mass into continents
D) a mass extinction of land plants
E) the evolution of Earth's oceans
Correct Answer:
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Q1: Cuvier, an anatomist and paleontologist, proposed that
Q1: The oldest fossils _.
A) demonstrate the
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Q6: Thomas Malthus proposed that _.
A) the food
Q8: The most important evidence that Darwin used
Q8: The tailbone of humans is an example
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Q10: Which theory was helpful to Darwin in
Q16: No convincing fossil evidence exists for _.
Q17: Darwin's theory states,in part,that individuals with certain
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