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Bio-Terms
science
8
Biology
9th Grade
09/10/2014

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Term
Biology
Definition
Scientific study of life.
Term
DNA
Definition
Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
Term
Stimulus
Definition
Signal to which an organism responds.
Term
Sexual reproduction
Definition
Type of reproduction in which cells from two parents unite to from the first cell of a new organism.
Term
Asexual reproduction
Definition
Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent.
Term
Homeostasis
Definition
Relatively constant internal physical and chemical conditions that organisms maintain.
Term
Metabolism
Definition
The combination of chemical reactions through which an organism builds up or break down materials.
Term
Biospher
Definition
Part of the Earth in which life including land, water, and air or atmosphere.
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