BIOSC-101 Lecture Notes - Lecture 32: Reciprocal Altruism, Learning
21 Dec 2020
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Stimulus (trigger) response e. g. stickleback fish (male, attacked representations of stickleback if they had red bellies like real male sticklebacks-left the non-red alone identified it as a female) Learned behaviors: 3 types= associative, social, imprinting: associative learning: Association made based on experience e. g. predator avoids potential prey (jaybird and monarch, seen fig. 51. 9. jaybird tries to eat a monarch throws up due to detection of milkweed) e. g. learn to avoid poison by experienced learning that brightly colored insects, etc. are typically poisonous: social learning. Learn to solve problems by watching others e. g. learn how to hunt: imprinting. Has a critical sensitive period has to happen when very, very young (eventually disassociates from parents at some point) E. g. young geese- hours to 1-2 days old to learn to identify its parents. Act that favors another individual at some cost to self. 2 major types: reciprocal altruism (for non-relatives) and kin selection (for relatives)
