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27 Cards in this Set
- Front
- Back
Metabolism
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The sum total of all processes in an organism which convert energy and matter from outside sources and use that engery and matter to sustain the organism's life functions.
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Anabolism
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The sum total of all processes in an organism which use energy and simple chemical building blocks to produce large chemicals and structures necessary for life.
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Catabolism
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The sum total of all processes in an organism which break down chemicals to produce energy and simple chemical building blocks.
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Photosynthesis
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The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food.
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Herbivores
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Organisms taht eat only plants.
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Carnivores
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Organisms that eat only organisms other than plants.
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Omnivores
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Organisms that eat both plants and other organisms.
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Producers
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Organisms that produce their own food.
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Consumers
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Organisms that eat living producers and/or other consumers for food.
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Decomposers
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Organisms that break down the dead remains of other organisms.
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Autotrophs
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Organisms that are able to make their own food.
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Heterotrophs
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Organisms that depend on other organisms for their food.
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Receptors
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Special structures that allow living organisms to sense the conditions of their internal or external environment.
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Asexual reproduction
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Reproduction accomplished by a single organism.
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Sexual reproduction
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Reproduction that requires two organisms.
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Inheritance
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The process by which physical and biological characteristics are transmited from the parent(or parents) to the offspring.
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Mutation
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An abrupt and marked change in the DNA of an organism compared to that of its parents.
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Hypothesis
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An educated guess that attempts to explain an observation or answer a question.
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Theory
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A hypothesis that has been tested with a significant amount of data.
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Scientific law
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A theory that has been tested by and is consistent with generations of data.
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Microorganisms |
Living creatures that are too small to see with the naked eye |
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Abiogenesis |
The idea that long ago, very simple life forms spontaneously appeared through chemical reactions |
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Prokaryotic Cell |
A cell that has no distinct , membrane-bounded organelles |
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Eukaryotic Cell |
A cell with distinct, membrane-bounded organelles |
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Species |
A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units |
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Taxonomy |
The science of classifying organisms |
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Binomial nomenclature |
Naming an organism with its genus and species name |