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17 Cards in this Set
- Front
- Back
Cell |
a collection of living matter enclosed by a barrier that separates the cell from its surroundings |
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Sexual Reproduction |
two cells from different parents unite to produce the first cell of the new organism |
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Asexual Reproduction |
the new organism has a single parent. A single- celled organism divides in half to form two new organisms. |
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Genetic Code |
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DNA |
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Metabolism |
The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes |
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Stimulus |
A signal to which an organism responds |
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Homeostasis |
The process by which organisms maintain constant internal conditions |
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Molecule |
the smallest unit of most compounds |
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Tissue |
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Organ |
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Organ system |
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Organism |
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Population |
Group of organisms of one type that live in the same area |
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Community |
Populations that live together in a defined area |
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Ecosystem |
Community and its nonliving surroundings |
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Biosphere |
The part of the Earth that contains all ecosystems |