The first seed plants were the
A. ferns.
B. monocots.
C. gymnosperms.
D. angiosperms.
Answer: C
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Your alarm clock goes off once again, and it is 7 a.m. Which neural event sends the signal to your cortex for you to
know to hit the snooze button?
a. The number of alpha waves emitted by the brain increases. b. The number of theta waves emitted by the brain increases.
c. The reticular activating system sends stimuli to the cerebral cortex. d. The cerebellum sends stimuli to the cerebral cortex. e. The cerebellum sends stimuli to the limbic system.
Allergies occur when the body responds to _____
a. pathogens c. normally harmless substances b. toxins d. all of these
Type I survivorship curves are typical of ____
a. horses only b. chimpanzees only c. mice only d. horses and chimpanzees e. horses, chimpanzees, and mice
Nucleolus , chromatin are the structures seen in the
a. cytoplasm b. chloroplast c. nucleus