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Diversity of Life
Biodiversity of Life
10
Science
7th Grade
04/07/2017

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Term
Adaptation
Definition
Also known as adaptive trait of an organism. Occurs through natural selection and mutation of genes.
Term
Biodiversity
Definition
The variety of life on planet Earth.
Term
Biome
Definition
The large, naturally occuring area of land with similar climate,plants and animals.
Term
Dichotomous Key
Definition
A key to identify organisms based upon characteristics.
Term
Extinction
Definition
The end of an organism where no more of it's kind live. ex. dinosaurs
Term
Mutation
Definition
The change in structure of a gene.
Term
Natural Selection
Definition
The process by which organisms that have traits that better allow them to survive continue to reproduce.
Term
Selective Breeding
Definition
Humans using breeding of specific plants or animals to obtain desired traits in the offspring.
Term
Stimulus
Definition
A change in an organism's environment. Can be either internal or external.
Term
Variation in Species
Definition
The variety of traits within traits in a species. Ex. black, brown, white dogs.
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