Most of the zooplankton and phyoplankton in a lake will be located in the
A. photic zone.
B. produndal zone.
C. benthic zone.
D. littoral zone.
E. Plankton will be distributed among each of these zones.
Answer: A
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The two most important alcohol germicides are ________ and ________.
A. methanol; isopropanol B. ethanol; isopropanol C. methanol; butanol D. ethanol; methanol
Which of the following groups consists primarily of anaerobic organisms that cause disease?
a. Excavates b. Dinoflagellates c. Archaeplastida d. Diatoms e. Ciliates
After spending an hour working outside in the hot, sunny weather, a person typically perspires and will need to drink water. This is part of
a. metabolizing energy. b. maintaining homeostasis. c. regulating blood proteins. d. capturing solar energy.
How could a paleontologist distinguish between a bryozoan fossil and a brachiopod fossil?
A. You can only distinguish the two by examining the lophophore. B. Bryozoans often look like bivalves. C. Bryozoans are large and solitary. D. Zoecia are always found in aggregates.