Q: Most, if not all, of the extant animal phyla today evolved during the cambrian period, yet many of what devastating events have taken place since then? Choices: - life extinctions - earthquakes - starvations - mass extinctions A:
mass extinctions
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Q: Intestinal cells combine with proteins to create what? Choices: - amino acids - chondrocytes - lipoproteins - chylomicrons A:
chylomicrons
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Q: Spores are the basic reproductive units of what organism? Choices: - mushrooms - yeast - tropical plants - fungi A:
fungi
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Q: Pulleys are generally used to do what with objects? Choices: - wrap - clean - pack - lift A:
lift
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