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1. What is chemical evolution?
Answer: The process by which inorganic and simple organic compounds change into more complex compounds.
2. Name the three periods of the Mesozoic period.
Answer: Cretaceous, Jurassic, Triassic
3. Adaptive radiation is the rapid expansion of many new species. What group probably experienced adaptive radiation at the beginning of the Paleocene epoch?
Answer: mammals
4. There are two competing ideas to explain the mass extinction of dinosaurs. Name the two ideas.
Answer: meteor impact hypothesis and climate change hypothesis
5. Horses, donkeys and zebras have a common ancestor in the Pliohippus. Over time these species have become different from each other. What is this pattern of evolution called?
Answer: divergence
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