What is a species? Flashcards
morphological species model
a species definition based solely on the appearance of the organisms observed
sexual dimorphism
describes species where there is a great deal of difference between the appearance of the male and female
molecular phylogeny
the analysis of the genetic material of organisms to establish their evolutionary relationships
ecological species model
a species definition based on the ecological niche occupied by an organism
mate-recognition species model
a species definition based on unique fertilisation systems, including mating behaviour
genetic species model
a species model based on DNA evidence
DNA sequencing
the process by which the base sequences of all or part of the genome of an organism is worked out
DNA profiling
the process by which the non-coding areas of DNA are analysed to identify patterns