Subatomic particles with a neutral charge are called ________
A) atoms
B) electrons
C) ions
D) neutrons
E) protons
D
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Figure 3.15 Generalized pyramid of energy flow showing the decrease in usable chemical energy available at each succeeding trophic level in a food chain or food web.
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Use the accompanying figure to answer the following five questions.
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How many kilocalories have been lost between level A and level D?
What will be an ideal response?
On a human time scale, nonbiodegradable wastes (such as toxic lead and arsenic) remain in the water permanently.
Answer the following statement true (T) or false (F)
An ideal pesticide would be characterized by ________
A) persistence B) being of equal value to the damage the pest would have caused C) broad spectrum in its target D) not leaching into water supplies in the ground E) allowing the development of genetic resistance
The ________ is a prominent location of sinking water in Earth's thermohaline circulation
A) south Atlantic B) central Pacific C) Arctic D) north Atlantic E) Equator