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Behavior Evolving- Benefit the New Leader

When a male lion successfully challenges another and takes over his pride, one of the first things the new lion does is to kill all of the cubs in the pride. Why would this behavior have evolved? How does it benefit the new leader?

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The male lion is hierarchially the leader of the pride. He also provides the sperm to make new cubs based on his superior genetic traits. He has managed to overcome the ...

Solution Summary

How behaviors evolve and the benefits of the new leaders are determined.