The "animal energy equation" for endotherms states that Einput-Eloss= EBMR+Eproduction+Eactivity+EDIT. In this equation, Eloss refers to
a. thermal energy given off as a consequence of the first law of thermodynamics.
b. thermal energy given off as a consequence of the second law of thermodynamics.
c. thermal energy given off as a consequence of dietary intake.
d. potential energy given off in the form of undigested foodstuffs (feces), sloughed skin, hair or other body products.
e. none of these.
D
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Psychoactive drugs
A. can be taken to experience altered states of consciousness. B. can be taken to relieve altered states of consciousness. C. may stimulate neuronal activity in the "reward" areas of the brain. D. All of the choices are correct.
In chemical notation, the symbol Ca2+ means
A) two calcium atoms. B) a calcium ion that has lost two electrons. C) a calcium ion that has gained two protons. D) a calcium ion that has gained two electrons. E) a calcium ion that has lost two protons.
An inhibitory postsynaptic potential (IPSP) is associated with ________
A) lowering the threshold for an action potential to occur B) a change in sodium ion permeability C) hyperpolarization D) opening of voltage-regulated channels
The upper end of each ureter flares into a funnel-shaped structure known as the renal _____.?
A) ?pelvis B) ?pyramid C) ?papilla D) ?column