The ABC model explains the process of _______
A. brain development
B. flower development
C. sex determination
D. muscle development
B
Biology & Microbiology
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An —NH2 group is a(n) __________ group
a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl
Biology & Microbiology
Four of the five animals listed below possess the
same type of skeleton. Select the exception. a. butterfly b. fly c. earthworm d. crab e. grasshopper
Biology & Microbiology
Which of the following types of cell cleavage is found most often for deuterostomes?
a. radial, indeterminate cleavage b. spiral, determinate cleavage c. radial, determinate cleavage d. spiral, indeterminate cleavage
Biology & Microbiology
A segmented worm has male and female reproductive organs in each segment. Some use hooks to attach to the intestinal wall. Which type of worm is this?
A. fluke ?B. nematode ?C. cestode ??D. annelid
Biology & Microbiology