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natural selection
evolution
9
Science
8th Grade
01/14/2015

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Term
evolution
Definition
it is a change in a species over time
Term
variation
Definition
diffent in species.
Term
adaptation
Definition
fiting in the inrirerment.
Term
charles darwin
Definition
Charles (Robert) 1809–82, English naturalist andauthor.
Term
natural selection
Definition
the process by which forms of life having traitsthat better   enable them to adapt to specificenvironmental pressures.
Term
survival of the fittest
Definition
if fit it survives it dosen't fit it dies
Term
alleles
Definition
any of several forms of a gene,and to make a genes
Term
punnett square
Definition
in genetics, a type of grid used to show the gametes ofeach parent and their possible offspring
Term
genes
Definition
the basic physical unit of heredity;
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