ANTH 1001 Lecture : ANTH Lecture August 23
Document Summary
Species are immutable/ unchangeable after their creation. Jean baptiste lamarck (1744-1829) of new organs and functional capacity. Provided the first explination on how a species could change over times. All organisms have needs in order to survive. Needs are met by the modification of organs or by the production. Continued used of organs will lead to an increase in the organ"s size. These changes that occur during one"s life time become inheritable and can be transmitted to one"s offspring. Darwin published ideas in 1859**** on the origin of species. Also proposed the idea of species change by natural selection. Forces acting today that shape the earth are the same forces that. Genes occur in pairs in an individual in the production of sex cells ,that pair. The reproductive potential of population is high but actual pop size. Resources in the envioronment are in limited supple, and individuals. Biological variation is a normal feature in a population.
