From what process do all organisms use energy to power their physical, behavioral, and reproductive functions?
A) photosynthesis
B) cell division
C) anaerobic respiration
D) chemosynthesis
E) cellular respiration
Answer: E
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An index fossil must be:
a) limited to a particular region b) very rare c) long-lived in terms of geologic time d) easily identifiable in the field e) all of the above
Antarctic Bottom Waters are the densest in the world, and characterized by ____ temperatures and ____ salinities than surface waters
A) ?lower; higher B) ?higher; lower C) ?higher; higher D) ?lower; lower
Why were there casualties associated with the Mount St. Helens eruption of 1980?
A. They died because they were all there studying the volcano. B. They died because there was inadequate monitoring of the volcano. C. They died because most failed to heed the order to evacuate the area.
Chemical reactions that require the input of energy to run are called _______ and those that run spontaneously releasing energy are called _______.
Fill in the blank(s) with the appropriate word(s).