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Evolution Challenge
Transcript
Parent-Offspring Conflict
By Jonny and Louise
Definitions
Graph showing Benefit/cost ratio against time
Parental Investment -
The investment by a parent to its offspring
that increases the offspring's survival at the
cost of the parent's ability to invest in other
offspring
Parent-Offspring conflict -
Occurs when the level of parental investment is lower than that required by
the child to maximse it's own reproductive
success
Hamilton's Rule
B > rC
Child: r = 1/2
- Psycological Manipulation
- Parental influence on offspring behaviour
Sibling: r = 1/2
Grandchild: r = 1/4
Cousin: r = 1/8
Questions?
Parent
VS
Child
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