parental investment
- Created by: gilli
- Created on: 26-02-15 11:35
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- Parental investment Trivers
- Paternal investment
- Costs male produce unlimited sperm, walk away after conception, indiscriminate mating less costly
- Infidelity cuckoldry humans long term mating invest resources men fear sexual infedility, women fear shift in emotional focus
- Costs male produce unlimited sperm, walk away after conception, indiscriminate mating less costly
- Maternal investment
- why???Investment greater 4 women young humans born earlier in development cf other species immature, dependent on mothers, pre natal and post natal care , parental certainty cf to males
- how?????costs great time, resources limited gametes, energy. different potential maximum reproductive success .random mating more costly
- maternal grand parents invest more certainty of maternity cf to paternity
- Paternal investment
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