Multiple ChoiceAccording to the theory of evolution, anatomical and molecular homologies should __________. 1304views
Multiple ChoiceWhen they were first sold, aerosol insecticides were highly effective in killing flies and mosquitoes. Now, several decades later, a much smaller proportion of these insects die when sprayed. The reason fewer insects die when they are sprayed is that __________. 1783views1rank
Multiple ChoiceAll known organisms translate genetic information to produce protein molecules via the same genetic code. This finding strongly supports the hypothesis that __________. 1259views
Multiple ChoiceA population of zooplankton is exposed to a small number of predatory fish that feed on the larger-sized (adult) zooplankton. Which of the following predictions would most likely occur based on the principles of natural selection? 1562views
Multiple ChoiceHow did some strains of Staphylococcus aureus become resistant to antibiotic drugs? 1433views
Multiple ChoiceSeemingly dissimilar organisms such as hummingbirds, humans, and whales have similar skeletal structures. This most directly suggested to biologists that __________. 1023views