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Characteristics of Living Things
Chapter 2 Section 1 Characteristics of Living Things
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Cell: the smallest functional and structural unit of all living organisms.
Homeostasis: the maintenance of a constant internal state in a changing environment.
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Sexual reproduction: reproduction in which the sex cells from two parents unite to produce offspring that share traits from both parents.
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Asexual reproduction: 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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Metabolism: the sum of all chemical processes that occur in an organism.
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Living things carry out the chemical activities of life by using energy.
All living things grow during parts of their lives.
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Deoxyribonucleic acid (DNA): molecule that is contained in the cells of all living things.
Stimulus: any kind of change that living things can sense and respond to.
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