Bio 121: Final Exam Review | latest 2023/24 with full solution

Bio 121: Final Exam Review | latest 2023/24 with full solution evolution - change overtime biological evolution - consists of genetic change in populations of organisms across generations the two naturalists from England who established the idea of natural selection - 1. Alfred Russell Wallace 2.Charles Darwin where Alfred studied natural selection - Archipelago where Charles Darwin studied natural selection - on his voyage of HMS Beagle HMS Beagle - Charles Darwins book published that explained his belief of natural selection Natural Selection - process by which inherited characteristics enhance survival reproduction 3 premises of natural selection - 1. organisms face a constant struggle to survive and reproduce 2. organisms tend to produce more offspring than can survive 3. individuals of a species vary in their characteristics adaptive traits - genes are passed to offspring and those of better adapted parents will succeed because they will better adapt through time adaption - trait that promotes success artificial selection - selection conducted under human direction examples of artificial selection - breeding breeding (broccoli, cauliflower, brussel sprouts) speciation - process in which new species are generated allopatric speciation - species formation due to physical separation of populations over geographic distance how allopatric speciation works - other DNA combines with other species and mutations begin to form Phylogenetic Trees - depict relationships among species, major groups of species, populations, or genes Extinction - the disappearance