Farmland that is under regular and continued tillage will not
a. undergo succession.
b. produce a climax community.
c. experience competition.
d. suffer from the effects of disturbance.
e. develop species diversity.
B
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The lymphoid tissues of the intestinal tract are collectively referred to as ________.
A. lymph nodes B. the thymus C. the spleen D. GALT E. tonsils
Glycolysis yields a net energy profit of __________ ATP molecules per molecule of glucose
a. 0 b. 1 c. 2 d. 4 e. 6
The concept that simple organic molecules could form spontaneously from simpler raw materials was
first proposed by: a. Miller and Urey. b. Charles Darwin. c. Thomas Malthus. d. Watson and Crick. e. Oparin and Haldane.
Plants that are dioecious are best described as having
A. flower arrangements unique to eudicots. B. all flower parts in pairs. C. flower arrangements unique to monocots. D. flower parts that may be absent at certain seasons. E. staminate and carpellate flowers on separate plants.