BIO 200LLB Lecture Notes - Lecture 1: Plate Tectonics, Biogeography, Molecular Clock

• School: University at Buffalo
• Department: Biological Sciences
• Course: BIO 200LLB
• Professor: Herreid, C F

Document Summary

Most fields in science deal with this question. Cosmology deals with origin and evolution of the universe and solar system. The universe, the earth, and organisms change over time. Biological evolution is the study of how organisms change. Organisms became modified, specialized, adapted to their environment over time. Why chimpanzees and humans have ninety eight percent dna similarity. Humans embryos have tails and gill structures without function. Why we get sick and drugs can"t cure everything. Fish have hearts with two chambers, frogs have three, lizards have three point five, humans have four. Why we have lungs, kidneys, guts, legs, and brains we do and not like those of a jellyfish. Why humans and wolves live in groups and woodchucks do not. How we come to have underarm hair and why males have nipples that don"t work. Nothing makes sense except in the light of evolution . How can we account for low acceptance in usa.