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Gen. Bio II - Origin
General Biology II - Origin of Species
Question | Answer |
---|---|
the "mystery of mysteries" for darwin was | speciation |
what is speciation | process by which on species splits into two or more different species |
what has lead to tremendous diversity of life is because of | speciation leads to tremendous diversity |
how is speciation related to microevolution and macroevolution | forms a conceptual bridge between microevolution and macroevolution |
what is a species | a group of populations whose members can interbreed in nature and produce viable, fertile offspring |
gene flow typically occurs between populations of a ___________ | species |
what does the formation of a new species hinge on | reproductive isolation |
what is reproductive isolation | the lack of gene flow |
reproductive isolation limits the formation of ____________ | hybrids |
what is a hybrid | the offspring from interspecific mating |
what are the five prezygotic barriers to hybrid formation | 1) habitat isolation, 2) temporal isolation, 3) behavioral isolation, 4) mechanical isolation, 5) gametic isolation |