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Evolution Ch 29

Vocabulary

TermDefinition
Living things come from nonliving things Charles Darwin
Evolutionary change is a slow, gradual & continuous process. Natural Selection
The 'beginning' or start of something Artificial Selection
Has a thumb that is opposite to the little finger or it is an opposable thumb. Gradualism
A change in the DNA that causes a new trait to arise. Prehensile hand
A chemical that kills insects. Heterotroph hypothesis
Proposed the Theory of Natural Selection Paleontologist
A trait that is produced during an individual's lifetime. Geographic isolation
Populations that can no longer interbreed. Acquired characteristics
Species abruptly change after remaining stable for a long time. Spontaneous Generation
A role an organism plays in its environment. Mutation
Organic molecules formed from the chemical Elements on primitive earth using heat, lighting, solar radiation & radioactivity. Adaptive radiation
The production of a new specie. Reproductive isolation
Many new species evolve from a common ancestor. Insecticide
Nature (the environment) acts as a selecting agent of an organisms traits. (Only the strong survive) Niche
Scientists who study fossils for clues about earlier inhabitants & past environments. Origin
Breed selected individuals that exhibit certain traits to produce offspring with that trait. Punctuated Eqilibrium
Populations separated by geographic barriers. ex: oceans, mountains, deserts. Speciation
Created by: mgearyhalchak
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