Concept explainers
To explain:
In what way the murky waters of Lake Victoria might be contributing to the decline in cichlid species and also how it is affecting the formation of new species.
Concept introduction:
The hybrid zone is an overlapping region where the two different species mate and reproduce offspring (hybrid). There can be three outcomes of a hybrid zone, namely reinforcement, fusion and stability. The fusion occurs when the reproductive barriers are not strong between the two species. As a result, gene flow occurs greatly between two species leading to their fusion into one species. It is the reverse of
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Campbell Biology: Concepts & Connections, Books a la Carte Plus Modified Mastering Biology with eText -- Access Card Package (8th Edition)
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