Name and briefly define the four routes by which heat is transferred between an animal and its environment
What will be an ideal response?
Answer: Conduction is the transfer of thermal energy from one region of an object or fluid to another. Convection is the transfer of thermal energy between an object and a moving external fluid. Radiation, usually in the form of infrared radiation, is either absorbed by or emitted from an animal. Lastly, evaporation of water molecules from the surface of an object absorbs thermal energy from the object during the phase change.
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The "kissing muscle" that purses the lips is the
A) zygomaticus. B) orbicularis oris. C) buccinator. D) levator labii. E) procerus.
The Nernst equation takes into account the permeabilities and concentration gradients for all permeable ions in order to calculate the membrane's equilibrium potential
Indicate whether the statement is true or false
The semicircular canals
a. detect the position of the head relative to gravity b. detect rotational or angular acceleration of the head c. contain otoliths d. are characterized by a and c e. are characterized by b and c
Which of the following breakfasts would likely remain in the stomach longest?
A. toast, orange juice, and coffee B. fried eggs, bacon, and hash browns C. a bowl of cereal with skim milk D. a boiled egg, toast, and juice E. The type of meal has no effect on the rate of gastric emptying.