What type of cells include central nerves, brain cells, and heart muscle cells?
a. Nondividing cells
b. Mitotic cells
c. Facultative mitotic cells
d. Mast cells
a. Nondividing cells
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Which of the following are incorrectly matched?
A. gene A, sepal formation, whorl 1 B. gene B, petal formation, whorl 2 C. gene E petal formation, whorl 2 D. gene C stamen formation, whorl 3 E. gene B carpel formation, whorl 4
How do corals react when water temperatures are too high?
A. They leave the shelter of the reef. B. Corals release water at higher temperatures. C. Symbiotic algae living within corals are expelled. D. The metabolic optimum can adapt. E. Corals are more pigmented at higher temperatures.
The phylum ____ has about 10,000 known living species of nonvascular plants, including those in the genus
Sphagnum, a peat moss used by humans for its absorbent property.
a. Hepatophyta b. Monilophyta c. Bryophyta d. Lycophyta e. Anthocerophyta
Which of the following plant hormones is associated with the closure of stomata when a plant experiences water stress?
A. cytokinin B. gibberellins C. auxin D. abscisic acid