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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Atom
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Fundamental form of matter that has mass and takes up space, and cannot be broken apart by everyday means.
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smallest particle
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Cell
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Smallest living unit, with a capacity to survive and reproduce on its own.
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Population
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Group of individuals of the same species in a specified area.
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The U.S. grew to 3 billion people
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Community
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All species living and interacting in some habitat.
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Metabolism
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All the controlled, enzyme-mediated chemical reactions by which cells acquire and use energy to synthesize, store, degrade, and eliminate substances.
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Autotroph
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An organism that makes its own food using an environmental energy source and carbon from carbon dioxide.
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It's known as the Producer
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Heterotroph
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Organism unable to make its own organic compounds; feeds on autotrophs, other heterotrophs, or organic wastes.
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It's also known as the Consumer
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Homeostasis
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Maintenance of physical and chemical aspects of the internal environment within ranges suitable for cell activities.
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Species
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One kind of organism. Of species that reproduce sexually, one or more groups of natural populations in which individuals interbreed and are reproductively isolated from other such groups.
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Eukaryote
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Protists, fungi, plants, and animal;most are large & more complex than prokaryotes
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Can be unicellular or multicellular
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Prokaryote
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Archaean or bacterium; single-celled organism, most often walled; lacks a nucleus and other organelles.
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Mutation
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Heritable change in DNA.
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Evolution
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Genetic change in a line of descent. Outcome of microevolutionary events: gene mutation, natural selection, genetic drift, and gene flow.
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Scientific Method
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Can involve making observations, asking questions, gathering information, hypothesizing
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Hypothesis
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In science, a possible explanation of a phenomenon, one that has the potential to be proven false by experimental tests.
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Theory
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An explanation of the cause of a range of related phenomena; has been rigorously tested but is still open to revision.
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Variable
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A specific aspect of an object or event that may differ over time and among individuals. In an experimental test, a single variable is directly manipulated in an attempt to support or disprove a prediction
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