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11 terms

Chapter 23 biology section 23.1

The origin of species
STUDY
PLAY
Speciation
the formation of new species as a result of evolution
Species
(biology) taxonomic group whose members can interbreed
Sympatric
(of biological species or speciation) occurring in the same or overlapping geographical areas
Distinctiveness
a distinguishing trait
No
Can scientist distinguish all species by sight?
Subspecies
variations of a species that live in different geographic areas
Gene pool
all of the alleles in all the individuals that make up a population
Biological species concept
a species concept defining a species as a population or group thereof whose members potentially interbreed and produce fertile offspring
Ernst Mayr
coined "biological species concept"
No
Under normal condition different species interbreed?
Reproductive isolating mechanism
Any structure or function that is genetically determined and prevents interbreeding between organisms