A hybrid zone is properly defined as
A)an area where two closely related species' ranges overlap.
B)an area where mating occurs between members of two closely related species,producing viable offspring.
C)a zone that features a gradual change in species composition where two neighboring ecosystems border each other.
D)a zone that includes the intermediate portion of a cline.
E)an area where members of two closely related species co-inhabit but experience no gene flow.

Question

Quizplus · Accepted Answer

A hybrid zone is an area where two distinct species interbreed and produce viable offspring. Option A would describe a contact zone, while option C describes an ecotone. Option D refers to a gradient of phenotypic traits, not necessarily involving hybridization. Option E describes sympatry without interbreeding.

A Hybrid Zone Is Properly Defined as