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Questions and Answers
What unifying theme in biology explains the unity and diversity of life?
What is the fundamental unit that all organisms are made up of?
At what levels of organization can biologists study life?
What allows organisms to move, grow, and reproduce?
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What do biologists use to make observations and pose questions?
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What is the term for flowering plants without a woody stem?
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What distinguishes angiosperms from gymnosperms?
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What do the Greek words ἀγγεῖον and σπέρμα, from which 'angiosperm' is derived, mean?
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What is the approximate number of known species of angiosperms?
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What type of plants have xylem consisting of vessel elements instead of tracheids?
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