an appearance of an inherited trait or behavior that makes one organism different from another of the same species

a variation that an organism has that helps it to survive better in it's environment

certain conditions in the environment that can cause change Ex predators, temperature, viruses

when living things that are better adapted to their environment are more likely to survive and reproduce also called "survival of the fittest"

The four points of darwin's theory

1) organisms produce more offspring than can survive 2) variations exist within populations 3) Some variations are more advantageous than others 4) overtime, those with advantageous variations survive to reproduce

the change in hereditary features of a population over time.

permanent change in gene or chromosome

fossils provide information about condition on earth. C

A trait with low survival value to the members of a population will most likely

undergo a series of mutation in future generations

The DNA sequences found in 2 different species are 95% the same. This suggest that the species

may have similar evolutionary histories

The shark has changed very little in the last 50 million years. Which statement best explains why

The shark is well adapted to its relatively unchanged environment

Which statement could be used as evidence to show that two different spec ices of organisms most likely develop from a single, common ancestor

They contain similar amino acid sequences

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Evolution

Question	Answer
Variation	an appearance of an inherited trait or behavior that makes one organism different from another of the same species
adaptation	a variation that an organism has that helps it to survive better in it's environment
Selecting agents	certain conditions in the environment that can cause change Ex predators, temperature, viruses
natural selection	when living things that are better adapted to their environment are more likely to survive and reproduce also called "survival of the fittest"
The four points of darwin's theory	1) organisms produce more offspring than can survive 2) variations exist within populations 3) Some variations are more advantageous than others 4) overtime, those with advantageous variations survive to reproduce
evolution	the change in hereditary features of a population over time.
mutation	permanent change in gene or chromosome
fossil evidence	fossils provide information about condition on earth. C
Gregor Mendel	father of modern genetics
A trait with low survival value to the members of a population will most likely	undergo a series of mutation in future generations
A change in the genetic material that produces variation in a species may be the result of	a mutation
The DNA sequences found in 2 different species are 95% the same. This suggest that the species	may have similar evolutionary histories
The fact that healthy deer can outrun timber wolves is an example of	natural selection
A maple tree releases hundreds of seeds in a single season. this is an example of	over production
The shark has changed very little in the last 50 million years. Which statement best explains why	The shark is well adapted to its relatively unchanged environment
compounds like the pesticide DDT may bring about the evolution of new strains or organisms by	acting as a a selecting agent
Which statement could be used as evidence to show that two different spec ices of organisms most likely develop from a single, common ancestor	They contain similar amino acid sequences

Created by: Joselyn_O

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