Embryo splitting is done when the embryo contains ____________________ to
____________________ cells. Fill in the blank(s) with the appropriate word(s).
ANS: 8; 16
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Which of the following is(are) associated with balance?
a. semicircular canals b. cochlea c. incus, malleus, and stapes d. eardrum and ear canal
Photoperiodism is the
a. duration of flowering in a plant. b. amount of light needed by a plant to exhibit normal growth. c. response of a plant to the duration of light and darkness. d. light phase of photosynthesis during which photolysis of water occurs. e. opposite of photorespiration.
Which of these is a heterotroph?
A. a phytoplanktonic diatom B. a moss plant C. an oak tree D. a corn plant E. a fish
When a diabetic injects insulin, what does this accomplish?
A. promotes glucose release from cells, raising blood glucose B. promotes uptake of glucose into cells, lowering blood glucose C. promotes hydrolysis of glycogen, raising blood glucose D. improves the ability of the body to sense blood glucose levels