Biology
Which term refers to the presence of or requirement for oxygen?
More Questions from Biology
What organ filters blood and helps regulate salt and water levels?
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What vertebrates are cold-blooded and have dry scaly skin?
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A change of DNA in an organism that results in a new trait is known as what?
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What is the outer skeleton of organisms such as spiders and insects called?
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Who is the father of the modern system for naming organisms that uses a genus and a species name?
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