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What is the term for when organisms need other organisms to survive?

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What is the most important way that humans communicate?

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What plays a variety of important roles in biochemical systems?

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What is the organ in which gas exchanges take place between blood and air?

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What is a region of repetitive noncoding nucleotide sequences at each end of a chromosome?

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What strong and lightweight manmade material is derived from hydrocarbons and used in ropes, tents and parachutes?

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What is used for cooling detectors of infrared telescopes?

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What is the term for organisms that have adaptations to both salty and basic conditions?

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What term describes a disease in which the immune system attacks the body’s own cells?

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What organ is divided into the duodenum, the jejunum, and the ileum?

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What stages in the life of a cell does the cell cycle include?

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What protects the scalp from ultraviolet light exposure and loss of body heat?

asked Jan 7 in Science by AlejandrinaO (510 points)

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What organ do we use to hear sound?

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What kind of fertilization do birds have?

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What is the wheeled robot developed by nasa to explore the surface of mars?

asked Jan 7 in Science by RudyRaney89 (530 points)

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What is the only light that humans can see?

asked Jan 7 in Science by Mose92K00958 (330 points)

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What is the term for the simplest form of matter that has a unique set of properties?

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What is the only continent without amphibians?

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What system protects the body from worms, germs, and other agents of harm?

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What method plays a role in determining the approximate age of the earth and makes use of uranium?

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