The net weight of all of the organisms living in an ecosystem is its
A. productivity.
B. biomass.
C. vital force.
D. photosynthesis minus metabolism.
E. combined output of metabolism and photosynthesis.
B. biomass.
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In addition to carbon dioxide, which of the following are also considered to be greenhouse gases?
A. water vapor and methane B. methane C. oxygen D. water vapor E. methane and oxygen
Discuss the importance of twin and adoption studies to human behavioral genetics research
What will be an ideal response?
The largest nematode parasite of humans is
A. Anisakis simplex. B. Ascaris lumbricoides. C. Enterobius vermicularis. D. Fasciola hepatica. E. Wuchereria bancrofti.
Exergonic reactions
A. do not occur in anaerobic cellular respiration. B. include synthesis of large carbohydrates. C. only occur in heterotrophs. D. occur when ADP binds to inorganic phosphate to form ATP. E. occur during aerobic cellular respiration.