In the example of the giant kelp forests on the Pacific coast, a rise in the otter population would have what effect on the kelp populations?
A. Kelp populations would decrease due to
increased predation by otters.
B. Kelp populations would increase due to an
increase in sea urchins.
C. Kelp populations would decrease due to
an increase in sea urchins.
D. Kelp populations would increase due to a
decrease in sea urchins.
E. Kelp populations would be totally
unaffected by the otter population.
D
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Neoteny refers to:
A. the case where a sexually mature organism still retains the physical characteristics of the juvenile form. B. the case where a sexually mature organism will lose most of the physical characteristics of the juvenile form. C. the case where a sexually immature organism retains the physical characteristics seen in the adult form. D. the case where a sexually immature organism will lose most of the physical characteristics of the juvenile form.
Cerebral cortical association areas link sensory and motor areas
____________________ Indicate whether the statement is true or false.
Higher intakes of all of the following except ______ are associated with increased bone mass.
a. calcium. b. vitamin D. c. vitamin C. d. sodium.
Seed plants as a whole belong to a nontaxonomic grouping called the ____
a. angiosperms b. gnetophytes c. gymnosperms d. Spermatophyta e. tracheophytes