ANTH 1001 Lecture : Anthropolgy Notes
Document Summary
Use and disuse: tenants/ propositions of this theory. These needs are satisfied by the use and modification of existing organs or by the production (or development) of new organs. Continued use of organs leads to an increase in size and complexity (disuse leads to a reduction in size and their loss) After the cataclysmic event subsided, species from neighboring areas migrated into the areas. Reproductive potential of a population is high, but actual population size remains the same. Resources in the environment are in limited supply; individuals within a population compete for the resources. Biological variation in a population is normal. 1866: round vs. wrinkled seed (of a pea plant, pollinated strictly round plants with strictly wrinkled seeds for the parental generations. 1st generation (after parental)- 100% round: made from round x round. Terms to know (reproduction/ genetics: principle of segregation- genes occur in pairs in an individual organism.
