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27 Cards in this Set

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Metabolism
the sum total of all prosesses in an organism which convert energy and matter from outside sources and use that energy and matter to sustain the organisms life functions
Anabolism
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
Catabolism
The sum total of all processes in an organism which break down chemicals to pruduce energy and simpple chemical building blocks
Photosynthesis
Th process by which green plants and some other organismsuse the energy of the sunlight and simple chemicals to produce their own food
Herbivores
Organisms that eat only plants
Carnivores
Organisms that eat only organisms other than plants
Omnivores
Organisms that eat both plants and other organisms
Producers
Organisms that produce their own food
Consumers
Organisms that eat living producers and/or other consumers for food
Decomposers
Organisms that break down the dead remains of other organisms
Autotrouphs
Organisms that are able to make their own food
Heterotrophs
Organisms that depend on other organisms for their food
Receptors
Special structures that allow living organisms to sense the conditions of their internal or external environment
Asexual Reproduction
Reproduction accomplished by a single organism
Sexual Reproduction
Reproduction that requires two organisms
Inheritence
The process by which physical and biological characteristcs are transmitted from the parent (or parents) to the offspring
Mutation
An abrupt and mrked change in the DNA of an organism compared to that of its parents
Hypothesis
An educated guess that attempts to explain an observation or answer a question
Theory
Ahypthesis that has been tested with a significant amount of data
Scientific Law
A thory that has been tested by and is consistant with generations of data
Microorganisms
Living creatures that are to small to see with the naked eye
Abiogenesis
The idea that, long ago,very simple life forms spontaneously apeared through chemical reactions
Prokaryotic cell
Acell that has no distinct, membrane-bounded organelles
Eukaryotic cell
A cell with disinct, membrane-bounded organelles
Species
A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively islated from other such units
Taxonomy
The science of classifying organisms
Binomial nomenclature
Naming an organism with its genus and species name