PSYC 385 Lecture Notes - Lecture 2: Erasmus Darwin, Ernst Haeckel, Evolutionary Psychology

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Primates all had 5 digits on hands and feet and that wings of birds were similar to flippers of seals. This guy did taxonomy wrong: he put together species with similar characteristics (eg: species that fly all went under the same (cid:272)atego(cid:396)(cid:455)that"s (cid:374)ot ho(cid:449) it (cid:449)o(cid:396)ks(cid:895) (cid:373)ust diffe(cid:396)e(cid:374)tiate (cid:271)/(cid:449) (cid:272)o(cid:373)(cid:373)o(cid:374) des(cid:272)e(cid:374)t a(cid:374)d (cid:374)atu(cid:396)al sele(cid:272)tio(cid:374) Common descent: structures that run through a lineage. Convergence: enviro shaping the same response in a variety of species. Embryological development was very similar in species that were very different (ernst haeckel) ontogeny: stages of ind dev, to which haeckel mirrored evolutionary history species (ended up being bs but worked well at his time) Pe(cid:272)ies see(cid:373) to ha(cid:448)e (cid:272)ha(cid:396)a(cid:272)te(cid:396)isti(cid:272)s (cid:449)ith a (cid:862)pu(cid:396)pose(cid:863) (cid:894)e. g. , po(cid:396)(cid:272)upi(cid:374)e"s (cid:395)uills to defe(cid:374)d(cid:895) Purpose in the sense of design too--and the darwinian perspective gives a reason for our species to exist that isn"t a designer. William paley: argued: here"s the analogy of a watchits so beautifully complex.

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