Bio 100 Exam 3 SBCC Questions and Answers(A+ Solution guide)

GMO (genetically modified organism) - An organism whose DNA has been deliberately altered. Made possible by Recombinant DNA technology. Evolution - Change in a population or species over generations Microevolution - Change in allele frequencies in a population over generations. Macroevolution - Evolution at or above the species level Charles Darwin - Father of evolution Darwin's Theory of Evolution - Species living today descended from a single ancestral species. Two main components are descent with modification and evolution through natural selection Natural Selection - The principle that more offspring are born than can survive, and some individuals are more likely to survive in a given environment than others. Sexual Selection - A form of natural selection in which individuals with certain inherited characteristics are more likely than other individuals to obtain mates. Intrasexual Competition - competition between individuals over access to mates Intersexual Choice - Individuals of one sex (typically female) choose their mates Sexual Dimorphism - Clear difference between males and females in a species, usually in size, color, and body shape Homologous traits - Similar characteristics resulting from a common ancestryAnalogous Structures - Similarities among unrelated species that result from convergent evolution Convergent Evolution - Process by which unrelated organisms independently evolve similarities when adapting to similar environments