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"altruists" - 1 õppematerjal

ETOLOOGIA-II moodul KONSPEKT
31
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ETOLOOGIA II moodul KONSPEKT

· Niagara juga: 20a tagasi hukkus 4000 jääkosklat Tit for tat in animal cooperation and where there is the personality Indikis Kraks 25. Nov The main probleem is stability in Latvia ­ the relationships are not as stable as they wish the to be. How can cooperation/altruism evolve? · If the recipient of the altruistic act benefits, it is going to leave more offsprings · The actor however is n to going to leave more offspring, or even fewer offspring fewer altruists in the next generation. · If such behaviour is heritable, and it goes many generations, it will ultimately die out. Cooperation is a paradox (mystery) in evolutionary theory Types of cooperation · Byproduct mutualism (mother-child) · Kin selection (brother, sister) · Positive reciprocity o Vampire bats ­ vomiting blood for the bas who have not found blood (otherwise the bat will die). Usually its female vampire bats who donate blood.

Bioloogia → Etoloogia
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