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Evolutionary approach to behaviour
Fichas del conjunto (20)
- 1Lamarckisminheritance of acquired characteristics
- 2The central dogmaDNA makes RNA makes protein
- 3Genetic mutationRecombination
- 4Evidence for evolutionFossils
Comparison of organisms
Geographical distribution of life
modern, observed example - 5Homologiescome from common ancestor
everywhere
not always obvious - 6analogiessimilarities - body shape, live in water, hunt fish
not derived from common ancestor, but evolved separately due to convergent evolution - 7Tinbergen's FOUR WHYS (1963)Proximate
Ontogenetic
Phylogenetic
Functional - 8ProximateWHAT!
Mechanisms, hormones, triggers, nervous system - 9PhylogeneticWHEN!
evolutionary history - 10OntogeneticHOW!
nature vs nurture, developmental - 11FunctionalWHY!
ultimate reasons, evolutionary fitness - 12CASE STUDY FOR TINBERGEN'S FOUR WHYSMALE BIRD SONG
- 13Proximategenetic differences (male birds sing but females don't)
hormones (testosterone)
genetics (FoxP2)
environmental cues (daylight) - 14Ontogeneticwhite crowned sparrow dialect
- 15Phylogenetichow widespread is birdsong - 3 of 23 avian orders
when and how did it evolve - 3 times independently? - 16Functionalterritorial defence from males
attracting males
female preferences (song complexity linked to nutrition and condition) - 17Level of selection GROUPSWynne-Edwards' Animal Dispersion in relation to social behaviour.
animals modify their behaviour for the good of the group - population density, competition for resources. makes theoretical sense - 18IndividualsGeorge Williams - adaptation and natural selection.
imagine a selfish individual who takes more than his share of resources, outcompetes rest of the group and produces more selfish offspring, group becomes selfish.
conditions are not likely to favour group of over individual selection - 19Genesgenes are the 'immortal coils', whereas bodies are impermanent
- 20approaches to animal behaviour1. observation
2. experiment
3. comparison across species or groups
4. mathematical modelling
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- Key Ideas into human and animal behaviour - PSYCHOLOGY Fichas sobre Evolutionary approach to behaviour , creado por vicky_hunt el 31/03/2014.
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- vicky_hunt
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