24.1 Biological Species Concept Flashcards
What is the definition of Means?
A species is a group of populations whose members have the potential to interbreed and produce fertile offspring, but do not produce viable offspring with members of other groups
What is the definition of Speciation?
One species splits into 2 or more species
What is Reproductive Isolation?
Biological factors that impede members of two species from interbreeding.
What are Pre-zygotic Barriers?
Anything that prevents mating and fertilization.
What are Post-zygotic Barriers?
A reproductive barrier that operates if interspecies mating occurs and forms hybrid zygotes.
What is the Morphological Species Concept?
It characterizes a species by body shape or other structural features.
What is the Ecological Species Concept?
It views a species in terms of its ecological niche.
What is the Phylogenetic Species Concept?
It defines a species as the smallest group of individuals that share a common ancestor.
