Chapter 10 LIFE SCIENCE

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Terms in this set (...)

adaption
A trait that helps an organism survive and reproduce
species
(biology) taxonomic group whose members can interbreed
evolution
Change over time
fossil
A trace of an ancient organism that has been preserved in rock.
fossil records
compare layers of sediment from different parts of the world, the sequence from the very earliest life to the present can be observed, and in this way the fossil record shows a change from simple to complex which supports the theory of evolution. For example it shows that invertebrates came before vertebrates.
trait
A characteristic that an organism can pass on to its offspring through its genes.
selective breeding
Method of breeding that allows only those individual organisms with desired characteristics to produce the next generation.
natural selection
Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
speculation
A guess or theory
extinct
The death of every member of a species

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