Isolating Mechanisms
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Ecological Isolation
-tiglons do no occur in the wild -lions and tiger ranges overlap in India but they use different habitats
Mechanical Isolation
attempt to mate but fail because they are anatomically incompatable
Prevention of Gamete Fusion
eggs and sperm from different species may not attract or fuse
Postzygotic Isolating Mechanism
hybrids may be sterile; ones that do survive may be weaker
Behavioural Isolation
species don't recognize each other as potential mates
Temporal Isolation
species have different breeding times