Evolution

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a trait that allows organisms to survive and reproduce better than others without the trait in a specific environment is a(n).....

adaptation

when a species fails to produce any more descendants, it is said to ......

be extinct

the movement of alleles into or out of a population due to migration is called.....

gene flow

natural selection could not occur without.....

genetic variation in population

the hypothesis that evolution occurs at a slow, gradual pace is known as.....

gradualism

directional selection tends to eliminate........

intermediate phenotypes

evolution on the level of speciation can be referred to as .....

macroevolution

according to Darwin's view of natural selection , overproducing means producing.....

more offspring than can actually survive

natural selection is the process by which.....

organisms with traits well-suited to their environments reproduce at a greater rate than less well-adapted organisms in the same environment

Darwin's theory of evolution by natural selection ....

overproducing and selection

the hypothesis that evolution occurs in "spurts" through geologic time is known as ......

punctuated equilibrium

evidence that supports the theory of evolution includes all the following except.......

similarities and differences in amino-acid and DNA sequences between organisms

the term microevolution refers to ......

small-scale changes in population's genes.

evolution can be described as change in......

species

the major idea that Darwin presented in his book "the origin of species" was that......

species changed over time by natural selection

new species form during ......

specification

the formation of new species is called .........

specification

the most important evidence supporting Darwin's Theory of evolution came from........

the science of genetics


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