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Themes of Biology 1-1
vocab
12
Biology
10th Grade
08/24/2006

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Term
Biology
Definition
the study of life
Term
cells
Definition
highly organized, tiny structures with thin coverings called membranes. Smallest unit capable of all life funtions
Term
metabolism
Definition
the sum of all of the chemical reactions carried out in an organism
Term
homeostasis
Definition
the maintenance of stable internal conditions in spite of changes in the external environment
Term
genes
Definition
sets of inherited instructions for making proteins
Term
heredity
Definition
the passing of traits from parent to offspring
Term
mutation
Definition
a change in the dna of a gene
Term
evolution
Definition
change in the inherited traits of species over time
Term
species
Definition
group of genetically similar organisms that can produce fertile offspring
Term
natural selection
Definition
the process in which organisms with favorable genes are more likeley to survive and reproduce
Term
ecology
Definition
the science that studies the interactions of living organisms with one another and with the nonliving part of their environment
Term
reproduction
Definition
the process by which organisms make more of their own kind from one generation to the next
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