Speciation (VCE SSCE Biology): Flashcards
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Speciation
Speciation
Process where populations diverge to become distinct species
Species definition
Species definition
Group able to breed & produce viable, fertile offspring
Allopatric speciation
Allopatric speciation
Geographic separation of population forming new species
Sympatric speciation
Sympatric speciation
Species divergence without geographic barrier
Viable (biology)
Viable (biology)
Able to survive
Fertile (biology)
Fertile (biology)
Ability to produce offspring
Pre-reproductive barriers timing
Pre-reproductive barriers timing
Stop reproduction before fertilisation occurs
Post-reproductive barriers timing
Post-reproductive barriers timing
Prevent viable & fertile offspring after fertilisation
Geographic barrier
Geographic barrier
Physical factor preventing gene flow between populations
Polyploidy
Polyploidy
Organism with additional sets of chromosomes in genome