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Questions and Answers
What is one of the unifying themes in biology?
What is one of the unifying themes in biology?
What is the basic unit that all organisms are made up of?
What is the basic unit that all organisms are made up of?
What enables organisms to move, grow, and reproduce?
What enables organisms to move, grow, and reproduce?
What do biologists use to make observations, pose questions, and form conclusions?
What do biologists use to make observations, pose questions, and form conclusions?
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How long ago did life on Earth emerge?
How long ago did life on Earth emerge?
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What are the components of blood?
What are the components of blood?
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What is the meaning of 'cardiovascular'?
What is the meaning of 'cardiovascular'?
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What does the closed circulatory system mean for vertebrates?
What does the closed circulatory system mean for vertebrates?
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What do the terms 'vascular system' and 'circulatory system' refer to?
What do the terms 'vascular system' and 'circulatory system' refer to?
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What do the great vessels of the heart include?
What do the great vessels of the heart include?
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