With ____ selection(s), the intermediate form
of a trait is favored.
a. stabilizing
b. directional
c. disruptive
d. frequent
e. none of these
A
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Anaerobic organisms thrive:
a. in oxygen-free environments. b. where oxygen is abundant. c. where carbon dioxide is abundant. d. in surface waters of the ocean. e. in the middle of the water column.
Depolarization of a membrane is achieved through what process?
a. sodium exiting the membrane via sodium channels b. potassium exiting the membrane via potassium channels c. the influx of sodium via the opening of sodium channels d. the work of the sodium-potassium pump
Imprinting is a type of social learning based on an early experience
____________________ Indicate whether the statement is true or false.
When do eggs first develop in a woman?
A) prior to birth B) at puberty C) throughout her lifetime D) every 60 days