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5 Cards in this Set

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Darwin made two major points in The Origin of Species.he basic idea of natural selection is that a population can change over generations if individuals that possess certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation.
First, he presented evidence that the many species of organisms presently inhabiting Earth are descendants of ancestral species that were different from the modern species. Second, he proposed a mechanism for this evolutionary process, which he termed natural selection.
Natural Selection
he basic idea of natural selection is that a population can change over generations if individuals that possess certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation.
Evolutionary Adapation
an accumulation of inherited characteristics that enhance organisms′ ability to survive and reproduce in specific environments.
Modern Evolution
as a change over time in the genetic composition of a population. Thus we can also use the term evolution on a grand scale to mean the gradual appearance of all of biological diversity, from the earliest microbes to the enormous variety of organisms alive today.
Taxonomy
the branch of biology concerned with naming and classifying organisms