As animals take in food energy, approximately 10% of it is made available to the next level in the food chain. Which of the following is one of the ways in which the energy is used by the organism and not passed along?
A. death
B. cellular respiration
C. excretion
D. defecation
E. All of these are ways in which the organism uses the energy.
Answer: E
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a. is sexually transmitted in humans b. has wiped out many species of frogs c. infects wheat, rye, and other grain crops d. is killing trees in temperate forests e. kills millions of humans each year
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Figure 33.10 (part 2)
Use the accompanying figure to answer the following question.
?
The oval window is indicated by the letter ____.
A. A B. B C. C D. D E. E