Biology / Bio 1729 · Atom · ~20 seconds
Reinforcement, Fusion, and Stability
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State
A hybrid zone's outcome depends on hybrid fitness: less-fit hybrids trigger reinforcement; fit or more-fit hybrids may fuse species into one.
Show
A hybrid zone where barriers hold steady and hybrids appear at a low, unchanging rate shows stability, not failed speciation.
Watch for
Outcomes hinge on hybrid fitness and whether barriers strengthen, weaken, or hold — proximity alone does not predict which results.
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- Nothing yet depends on this.