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A Porcupine Eats 3000 J of Plant Material

Question 49

Multiple Choice

A porcupine eats 3000 J of plant material.Of this,2000 J are indigestible and are eliminated as feces,900 J are used in cellular respiration,and 100 J are used for growth and reproduction.What is the approximate production efficiency of this animal?


A) 0.03%
B) 3%
C) 10%
D) 5%
E) 67%

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