________ utilize pre-assembled organic molecules, while _______ do not require preassembled organic molecules
Fill in the blank(s) with the appropriate word(s).
Ans: Heterotrophs; autotrophs
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Stimulating the vagus nerve would cause
A. a release of epinephrine. B. blood volume to increase. C. increased firing of the SA and AV nodes D. blood pressure to rise. E. heart rate to decrease.
An aerobic process requires ______.
A. oxygen B. carbon dioxide C. ATP D. carbohydrates
Why do we say "waste is a human invention"?
A.Humans are more efficient at dealing with waste than nature. B.Humans produce some waste products that cannot easily be broken down. C.Only humans can violate the Law of Conservation of Matter. D."Nature" has not yet figured out what to do with waste.
Teosinte is a wild grass in Mexico from which corn (maize) was originally domesticated. How might corn that is grown commercially compare to teosinte?
A) Corn is less genetically diverse than teosinte. B) Corn is more genetically diverse than teosinte. C) Corn is a threat to teosinte populations. D) Corn is about as genetically diverse as teosinte.