BIO 182 Quiz 1 Questions With Correct Answers!!

Another term for evolution by Darwin - Answer-descent with modification Are habitat isolations physical barriers? - Answer-No just different habitats not an actual physical fence or anything Convergent evolution - Answer-evolution of analogous (similar) features in related groups convergent evolution tells us about ancestry. t/f? - Answer-False it does not it only tells us the evolution of similar features Dependent selection favors which phenotype? - Answer-The less common in a population Difference between Founder & Bottleneck effect - Answer-Founder- few individuals become isolated Bottleneck- SUDDEN reduction in pop size due to change in enviornment Evolution is a - Answer-process and pattern Evolution is a continuous process. T/F? - Answer-True because environment is always changing Example of macroevolution - Answer-a fish is developed from a bacteria Example of macroevolution - Answer-a fish is developed from a form of bacteria Fossils - Answer-remains/traces of organisms from the past Gene pool - Answer-all the alleles for all loci in a populationGene variability - Answer-average % of heterozygous Genetic drifts reduces what - Answer-genetic variation thru the loss of alleles The smaller the sample, the greater change of random deviation from results Genetic variation - Answer-caused by differences in genes or DNA segments