BIO 185 Lecture 3: Lecture 3
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), modern synthesis, populations, sources of variation, agents of evolution. Master regulatory genes: early in development, activate (turn on) other genes example: hox genes - they set up the body plan during development great molecular example of unity among organisms. Cuvier: meanwhile, others in europe (france) had a new idea called environmental determinism , Rst paleontologist compared fossils to living species (life forms change over time) convinced people that things went extinct denounced evolution in favor of catastrophism which means that the environment can change things. Lyell (1795-1875) and hutton (1727-1797): gradualism: environment changes slowly and continually geologists in scotland theory which holds that profound change is the cumulative product of slow but continuous processes. Uniformitarianism : mechanisms of change are constant over time tried desperately to disprove lamarck. Malthus (clergyman; 1798): human population growing faster than resources, principle of population essay.
