Evolution Exam questions and answers latest top score.

Evolution Exam questions and answers latest top score. Which of the following is NOT an ultimate explanation for behavior - correct answers.A fruit fly orients toward a patch of rotting fruit when order molecules bind to the receptors on the antennae Why are oceanic islands frequently home to species found nowhere else? - correct answers.Islands are often isolated, minimizing gene flow and maximizing diversification Muller's rachet describes - correct answers.The process of accumulation of deleterious genes in an asexually reproducing population Sexual reproduction that involves the fusion of two dissimilar gametes is known as: - correct answers.Anisogamy An evolutionary trade off in howler monkeys appears to have resulted in developmental charges in the size of their hyoid bone and the size of which organ? - correct answers.Testis Which statement(s) help explain why opossums on Sapelo Island produce smaller litters: - correct answers.Both of the above statements are correct How is fecundity between conspecific females measure - correct answers.The number of offspring they produce who survive to successfully reproduce themselves Because females are typically a limiting resource for males they have the ability to be choosy who they mate with - correct answers.True Sexual dimorphism is particularly pronounced in polygynous mating systems - correct answers.True and males are larger than females Leks occur when - correct answers.Rival males come together to form courtship displays in close proximity Sexual dimorphism is a difference in form between males and females of a species in: - correct answers.All of the above Based on Craig Benkman's work on co-evolutionary interactions between crossbills and pine trees which of the following would be expected - correct answers.Populations where pine are no well defended against crossbills will have more crossbills than squirrels Deforestation in Borneo is threatening the existence of which non-human primate species: - correct answers.The orangutan We are likely in the midst of the sixth mass extinction largely due to anthropogenic affects. Rising carbon dioxide in he atmosphere threatens marine life because - correct answers.It acidifies the ocean Which of the following may have contributed to the profusion of animal diversity during the Cambrian? - correct answers.Acidification of the ocean AND The extinction of dinosaurs. Based on the history of marsupial colonization, extinction, and vicariant events, which of the following should be true of currently living marsupials (i.e. those living in North America, South America, Australia): - correct answers.South America marsupials should be more closely related to North American marsupials Niko Tinbergen shared the Nobel Prize for Medicine and Physiology in 1973 with which other ethologist? - correct answers.Konrad Lorenz On the Scottish Island of Rum male deer (stags) have larger antlers. This males use these antlers to - correct answers.Complete with other males for access females Mimicry when harmless species resemble harmful or distasteful species, deriving protection from predators in the process is known as: - correct answers.Batesian mimicry In genomic imprinting many of the genes that either express the only male or female cop e.g. igf2 control the development of what organ? - correct answers.Placenta Sexual Reproduction can spreed the spread of adaptations in a population because - correct answers.Recombination can lead to novel genotypes