Q: What is a thin layer of bacteria that sticks to a surface? Choices: - a choanocyte - a spicule - a monofilm - a biolfilm A:
a biolfilm
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Q: What were the first animals to have true lungs and limbs for life on land? Choices: - birds - mammals - reptiles - amphibians A:
amphibians
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Q: Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what? Choices: - extra selection - multiplying selection - shedding selection - diversifying selection A:
diversifying selection
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Q: What is the term for the rate at which velocity changes? Choices: - stability - transmission - compression - acceleration A:
acceleration
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