Well-developed vascular systems are absent in all of the following except
A. mosses.
B. liverworts.
C. hornworts.
D. Charophytes.
E. Pterophytes.
E. Pterophytes.
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Digestion and absorption allow vertebrates to use nutrients to
A. make ATP. B. repair tissue damage. C. deliver oxygen to cells. D. form bone. E. perform all of the functions given.
The process by which elevated nutrient levels lead to an overgrowth of algae and the subsequent depletion of water oxygen levels is known as
A. succession. B. decomposition. C. eutrophication. D. succession, decomposition, or eutrophication. E. None of these choices.
The most likely reason that glucose dissolves
in water is that it is a. an ionic compound. b. a polysaccharide. c. polar and forms many hydrogen bonds with the water molecules. d. a very unstable molecule. e. highly nonpolar
In 1940, it was discovered that large bilateral electrolytic lesions to the ventromedial hypothalamus produce:
What will be an ideal response?