Humans have direct development, a closed circulatory system, well-developed eyes, and large brains. Which mollusk also shares these features?
A. Nudibranch
B. Slug
C. Chiton
D. Octopus
Answer: D
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Which of the following are not used by protists for protection against predators?
A. protective coverings that are hard, tough, or slimy B. toxins C. gamma radiation D. shooting sharp projectiles E. spines
The division of cytoplasm is accomplished during
a. prokaryotic fission. b. interphase. c. meiosis. d. cytokinesis. e. karyokinesis.
Answer the following questions true (T) or false (F)
1. A lumbar puncture allows for CSF analysis to differentiate between viral and bacterial meningitis. 2. Encephalitis is most often caused by a virus. 3. Rabies is the only virus that infects the PNS.
Based on the results of the presumptive test of the Bacterial Examination of Water exercise, match the following:
Dog bowl sample A) 0.43 most probable number of bacteria per gram/ml B) 4.6 most probable number of bacteria per gram/ml C) 0.061 most probable number of bacteria per gram/ml