vicariance造句
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- Thus vicariance is a necessary precursor to allopatric speciation.
- The former is often called the Gondwana vicariance hypothesis.
- This requires multiple events of flightlessness within the paleognathes and partially refutes the Gondwana vicariance hypothesis ( see below ).
- It has been suggested that the current distribution of the species reflect vicariance events following climatic fluctuations in the Amazon.
- RASP infers ancestral states using statistical dispersal-vicariance analysis, Lagrange, Bayes-Lagrange, BayArea and BBM methods.
- In what is known as vicariance, migration did not occur between Europe and North America, separating the two crocodilian faunas.
- Local populations have diverged through vicariance, because climate change after the last ice age generated ecological barriers between Mafra and Gr鈔dola.
- Biogeographical patterns result from ecological processes that influence range distributions, such as vicariance biogeography and it is a sub-discipline of biogeography.
- Once a species has been split by vicariance into multiple populations with little to no genetic exchange, the populations begin to drift independently.
- Inferring historical dispersal-vicariance analysis ( DIVA; parsimony ), and dispersal-extinction-cladogenesis ( DEC; maximum-likelihood ).
- It's difficult to see vicariance in a sentence. 用vicariance造句挺難的
- They are considered relict species; two separate vicariance events probably led to the evolution of these two species ( Miller & Coyle, 1996 ).
- Paleobiogeography also helps constrain hypotheses on the timing of biogeographic events such as vicariance and geodispersal, and provides unique information on the formation of regional biotas.
- In biogeography, "'vicariance "'can be contrasted with geodispersal, which is the erosion of barriers to gene flow and biological dispersal.
- The existence of possible flying palaeognaths in the Miocene such as " Proapteryx " further supports the view that ratites did not diversify in response to vicariance.
- The Vrljika softmouth trout appears to have originated from a vicariance that split a common ancestral population into large ( Neretva ) and small ( Vrljika ) fragmented populations.
- The resulting school of thought was vicariance biogeography, which explained the origin of new lineages through geological events like the drifting apart of continents or the formation of rivers.
- The sister-group relationship of New Zealand ratities to other ratites proposed on morphological grounds would not be consistent with vicariance, while the proposed South American-Australian clade would be.
- The presence of genera whIch are restricted to Eurasia suggests a vicariance ( separation of populations by continental division ) split between Medeoleae and Lilieae involving Eurasia and North America ( Cladogram II ).
- The patterns of speciation in " Hedera " are the product of vicariance, resulting from the fragmentation of the geographical range of a common ancestor that was more widespread during the Tertiary.
- When a continuous population ( or species ) is divided by a new river or a new mountain range ( i . e ., a vicariance event ), two populations ( or species ) are created.
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