BIOL 3200 Lecture Notes - Lecture 2: Escalator
Document Summary
He is remembered today for having originated a mechanism of evolutionary (cid:272)ha(cid:374)ge that (cid:272)o(cid:374)tradi(cid:272)ted dar(cid:449)i(cid:374)"s. His theory was based on inheritance of acquired characteristics. The characteristics you acquire in your lifetime maybe to passed on to subsequent generations like property and wealth. Characteristics acquired can be due to external changes in the environment e. g. darkening of skin bc of sun exposure, disuse of a part, likes and dislikes acquired like an appreciation for music. But lamarck did not necessarily state all of this. Lamarck thought environment could bring about heritable changes e. g. giraffes have long necks to reach leaves on trees. Advocated that evolution was by desire on the part of animals. People thought he proposed the ridiculous notion that evolution was done through will, specifically the will of an animal. La(cid:373)ar(cid:272)k ho(cid:449)e(cid:448)er (cid:449)as tryi(cid:374)g to say that it (cid:449)as through a(cid:374) a(cid:374)i(cid:373)al"s ha(cid:271)its, rather than their desires.
