Natural Selection Flashcards
what is natural selection?
natural selection is the process in which an environmental factor acts on a population and results in some organisms having more offspring than others.
what is the environmental factor that acts on a population known as?
the selective agent
what is the effect of natural selection on a population known as?
selective pressure
what is one outcome of natural selection?
one outcome of natural selection is that a particular species gradually become better adapted to their environment.
what is artificial selection?
artificial selection is the process in which humans choose to breed particular organisms with desirable features.
what did charles darwin stipulate about natural selection?
that variation must be present in a population for natural selection to effectively work.