Water draining from the land mixes with seawater carried in on tides in which of the following?
a. abyssal zone
b. rift zone
c. upwelling
d. estuary
e. pelagic zone
d
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Domestication results from __________ selection, rather than __________ selection
a. natural; artificial b. artificial; natural
Experiments in which nitrogen supplementation increased the biomass of both plants and herbivores show ____
a. bottom-up control b. top-down control c. indirect control d. inverted cascades e. nutrient cycling
The overall reaction for the aerobic respiration of glucose is summarized as:
a. C6H12O6 + 6 O2 + 6 H2O ? 6 CO2 + 12 H2O + Energy. b. C4H12O4 + 12 H2O + 6 CO2 ? 6 O2 + ATP + Energy. c. C4H12O4 + 6 O2 + 6 H2O ? 6 CO2 + ATP + Energy. d. C4H12O2 + 6 O2 + ATP ? 6 CO2 + 12 H2O + Energy. e. C6H12O6 + 6 H2O ? 6 CO2 + 12 H2 + Energy
Which human extraembryonic membrane forms the blood vessels of the umbilical cord?
A. Amnion B. Yolk sac C. Chorion D. Allantois E. Protein coat