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Science Flash Cards
Ibriham FlashCards For Science
23
Science
7th Grade
03/29/2011
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Term
Evolution
 Definition
The gradual change in the genetic make up (DNA) of an species over a long period of time.
Term
Homologous Structures
 Definition
Are body parts that are structurally similarin related
Term
Extinction
 Definition
The disappearance of all members of a species from Earth
Term
Beneficial
 Definition
Good
Term
Natural Selection
 Definition
The process by which individuals that are better adapted to their enviroment are more likely to survive and reproduce.
Term
Variations
 Definition
Any difference individuals of the same species
Term
Mutation
 Definition
 A change in a gene or chromosome
Term
Charles Derwin
 Definition
Term
Adaptation
 Definition
Term
Radioactive Dating
 Definition
Term
Fossils
 Definition
Term
Relative Dating
 Definition
Term
Deoxyribonucleic Acid
 Definition
Term
Punnett Square
 Definition
Term
Mendel
 Definition
Term
Watson and crick
 Definition
Term
Francklin
 Definition
Term
Chromosome
 Definition
Term
Trait
 Definition
Term
Phosphate
 Definition
Term
Genotype
 Definition
Term
Gene
 Definition
Term
Sugar
 Definition
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