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| reproduction that does not involve the union of sex cells and in which one parent produces offspring that are genetically identical to the parent |
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| adenosine triphosphate; a molecule that acts as the main energy source for cell processes |
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| a class of energy-giving nutrients that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen |
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| the smallest unit that can perform all life processes |
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| an organism that eats other organisms or organic matter |
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| an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients |
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| the passing of genetic traits from parent to offspring |
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| the maintenance of a constant internal state in a changing environment |
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| a type of biochemical that does not dissolve in water, including fats and steroids; lipids store energy and make up cell membranes |
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| the sum of all chemical processes that occur in an organism |
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| a molecule made up of subunits called nucleotides |
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| a lipid that contains phosphorus and that is a structural component in cell membranes |
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| an organism that can make its own food by using energy from its surroundings |
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| a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body |
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| reproduction in which the sex cells from two parents unite to produce offspring that share traits from both parents |
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| anything that causes a reaction or change in an organism or any part of an organism |
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