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The definition is sometimes extended to require that such reproduction must occur under natural not artificial e g captive conditions. For example two species of frogs inhabit the same area but one reproduces from january to. Secondary Contact Wikipedia Some types of prezygotic barriers prevent…

Sympatric speciation a controversial alternative to allopatric speciation is sympatric speciation in which reproductive isolation occurs within a single population without geographic isolation. The prefix sym means same so sympatric means same homeland in contrast to allopatric meaning other homel…

Often cited examples of sympatric speciation are found in insects that become dependent on different host plants in the same area. The two species though overall very similar do have slight differences in appearance and they cannot interbreed. Speciation Definition Causes Process Types Examples …

Learn vocabulary terms and more with flashcards games and other study tools. D prezygotic reproductive barriers usually evolve before postzygotic barriers. Lecture 24 Speciation Flashcards Quizlet Speciation occurs because a given group has been separated from the parent group usually because o…