Which feature do Bryozoans possess than brachiopods lack?
A. a lophophore.
B. a true coelom.
C. an exoskeleton.
D. a shell.
C. an exoskeleton.
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Answer the question using the accompanying figure. Letter "C" in the diagram represents the ____ zone
a. neritic b. abyssal c. oceanic d. benthic e. intertidal
A particular blood type is determined by
a. genes in the fluid portion of the blood. b. proteins circulating in the blood plasma. c. the specific polysaccharide on the surface of red blood cells. d. alphabetic letters located in the genes. e. lipoproteins in the interstitial fluid.
The number of new individuals added to the population by reproduction is called
A. morbidity. B. mortality. C. natality. D. exponential growth.
The main ingredient of crude oil is
A) diatoms. B) dinoflagellates. C) bacteria. D) algae.