Biology

What is the outer skeleton of organisms such as spiders and insects called?

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What snail-shaped organ in the ear funnels sound to the auditory nerve?
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What process does a starfish use to grow a new organism when it is cut into pieces?
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What is the second stage of incomplete metamorphosis called?
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What takes up 50-70 percent of a whale's weight?
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Which habitat would a fresh water fish live in?
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Which term refers to the presence of or requirement for oxygen?
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What famous Italian artist studied human body-part relationships?
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