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A porcupine eats 3,000 J of plant material. Of this, 2,100 J is indigestible and is eliminated as feces, 800 J are used in cellular respiration, and 100 J are used for growth and reproduction. What is the approximate production efficiency of this animal?
Widely Used
Referring to something that is commonly or extensively utilized across various contexts or applications.
Amphetamine
Amphetamine is a potent central nervous system stimulant used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.
Euphoria
A sensation or condition of profound joy and exhilaration.
Barbiturate
A class of drugs derived from barbituric acid that act as central nervous system depressants, used in the treatment of insomnia, epilepsy, and anesthesia.
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