Four of the five organisms listed below are
autotrophs. Select the exception.
a. self-nourishing organisms
b. organisms whose carbon source is CO2
c. chemosynthetic organisms
d. most bacteria
e. sulfur bacteria
Answer: d
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Synthetic plastics are
A) oxidized completely to carbon dioxide after a few years under aerobic conditions. B) partially degraded into branched chain and polyaromatic hydrocarbons. C) degraded slowly under anoxic conditions. D) extremely recalcitrant to microbial degradation.
Signals from the __________ of the brain send
__________ signals per minute when a person is at rest. a. medulla oblongata; 10-14 b. slit level; 35-45 c. frontal lobe; 1-5 d. occipital lobe; 1-9 e. none of these
Energy stored in the bonds between atoms, such as Carbon and Hydrogen, is defined as __________
A. kinetic energy B. heat energy C. chemical energy, a type of potential energy D. chemical energy, a type of kinetic energy E. radioactive energy
At a party, one of your friends has just revealed that he and his wife are trying to conceive. What do you advise him to avoid at the party?
A. The melted cheese fondue B. The raw vegetable appetizers C. The loud music D. The hot tub