Descent with Modification: A Darwinian View of Life

Darwin’s Five Observations More young are produced than survive Individuals vary in their characteristics Some characteristics are better than others These characteristics are inheritable Long periods of time are available Darwin’s Two Major Points Many species of organisms presently inhabiting the earth are descendants from ancestral species that were different from modern species The mechanism…

Understanding the Theories of Attraction and Mate Selection

Theory Who? Main Concepts Relationships Related Theoretical Perspective Natural Selection Evolutionary psychologists -women prefer to mate with men who would be good fathers and who would stay around to be good providers -men preferred to mate with women who could bear healthy babies who could feed their children -could apply to any given relationship; especially…

What is Evolution?

Evolution describes the changes in the gene pool of a species over time.  These changes are the results of mutations, natural selection and genetic drift. Often populations produce more offspring than the environment can support; in other words, they often exceed the carrying capacity.  Over-production of offspring leads to intraspecific competition and survival of the…