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Allopatric speciation (from
Ancient Gr**** ἄλλος (állos) 'other' and πατρίς (patrís) 'fatherland') – also
referred to as
geographic speciation, vicariant...
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allopatric speciation as a
special case; however,
Coyne and Orr
argue that Mayr's
original conception of a ring
species does not
describe allopatric speciation...
- migrants. When gene flow is
blocked by
physical barriers, this
results in
Allopatric speciation or a
geographical isolation that does not
allow po****tions...
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extent to
which speciating po****tions are
isolated from one another:
allopatric, peripatric, parapatric, and sympatric.
Whether genetic drift is a minor...
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Geographic characters General biogeographic distribution patterns Sympatric-
allopatric relationship of po****tions The term "alpha taxonomy" is
primarily used...
- The
closure of the
isthmus led to
allopatric speciation events of
marine organisms isolated on each side (blue and green).
Terrestrial species also migrated...
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usually used
without any
additions to
signify whichever of the
completely allopatric species occurs in any one region. It
refers to
their long thin neck, which...
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Seasonal variations Parasites and
hosts Geographic characters General biogeographic distribution patterns Sympatric-
allopatric relationship of po****tions...
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locally common hosts' phenotypes, so the
parasites are less
infective to
allopatric hosts,
those from
different geographical regions. Some
parasites modify...
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originates from
Theodosius Dobzhansky. He
envisioned a
species separated allopatrically,
where during secondary contact the two po****tions mate, producing...
