Shrimps, crabs, and lobsters are examples of
a. cephalopods.
b. gastropods.
c. mollusks.
d. arachnids.
e. crustaceans
E
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Aside from using light as a source of energy, another important part of the functional diversity of some bacterial phototrophs is their ability to
A) bioluminesce. B) form prosthecate and stalked cells. C) fix nitrogen gas. D) degrade neurotoxins.
Which of the following activities in the roots does not require energy?
A. transport of solutes into the cytoplasm B. making specific nutrients in the soil available to the root C. supporting symbiotic relationships with soil microorganisms D. absorbing water into the root hair E. All root activities require energy.
An individual with a vitamin D deficiency would experience which of the following problems?
A. difficulty absorbing sufficient amounts of calcium from the diet B. slow wound healing C. bleeding gums and loss of teeth D. anemia E. nervous system disorders
Which of the following groups consume animals?
a. carnivores and herbivores b. carnivores and omnivores c. omnivores and herbivores d. carnivores only e. herbivores only