The Concept of Species

Question	Answer
Species	A group of interbreeding or potentially interbreeding individuals that give rise to fertile offspring
Ring Species	A term used when you see two species that are joined by a series of structural and intermediate types but appear different - usually the two species can no longer interbreed. [Name an example...]
Subspecies	Populations of a species that are distinguishable by one or more characteristics much like geographical races in humans
Hybrid Zone	The region where genetically different populations meet and interbreed a small amount, mixing genotypes. [Name and describe the three possible outcomes...]
Reproductive Isolation	The prevention of gene flow between populations of the same species, which may lead to speciation. [In New Zealand this is usually linked to the Ice Ages and change in sea level]

Resource summary

	Created by Eilidh Young about 10 years ago