ETHOLOGY AND COMPARITIVE PSYCHOLOGY – EXAM 4

ETHOLOGY AND COMPARITIVE PSYCHOLOGY – EXAM 4 - PSYC 4385:...

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PSYC 4385: ETHOLOGY AND COMPARITIVE PSYCHOLOGY – EXAM 4 3 Characteristics of Phylum Chordata (vertibrates) o 1. Notochord – structure o 2. Dorsal hollow nerve cord o 3. Pharyngeal clefts embryonic gills o Tunicates – only invertebrate with all characteristics, but 1&2 not in adulthood o E.B Ford – geneticist Ontogeny o Alpha males with regal posture Subordinates degrade posture based on social position o Brood Parasitism – Cowbirds place eggs in other bird nests Cuckletry - male raises another’s kin unknowingly Cowbirds find species with no problem or affect of raising o Male cowbird’s song is what elicits reproduction Song degraded based on social structure; perfect in isolated conditions o Any aspect of devlp’t can be seen as a sequence of events. Developmental Cycle Biologist view sees Nat. Selection different: NS acting on developmental programs Phenotypic traits arise as a consequence of some developmental sequence Behavioral Ecology
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ETHOLOGY AND COMPARITIVE PSYCHOLOGY – EXAM 4 - PSYC 4385:...

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