Which of the following animals is phototrophic?
A. Jellyfish
B. Butterflies
C. Dolphins
D. Monkeys
E. None of the above are phototrophic
Ans: E. None of the above are phototrophic
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Which is true about a pH buffer?
A. It increases the amount of H+ in an acidic solution. B. It reduces the amount of H+ in an acidic solution. C. It reduces the amount of H+ in an alkaline solution. D. It increases the amount of OH- ions in an alkaline solution. E. It reduces the amount of OH- in an acidic solution.
Which feature is believed to have been the first step in the evolution of land plants from the green algae?
A. evolution of vascular tissue B. evolution of seeds C. evolution of flowers in order to attract pollinators D. protection of the embryo E. evolution of microphylls
Which communication method is most effective over short distances?
A) Vocalizations B) Pheromones C) Touch D) Dominance hierarchies E) Visual communication
A mushroom is
A) composed of many threadlike filaments called mycorrhizae. B) specialized to obtain most of the nutrients for the fungal mycelium. C) an independent stage in the alternation of generations of the fungal life cycle. D) an aboveground reproductive structure connected to a mycelium.