The climax community ____
a. is formed by species with the greatest range of environmental tolerance
b. is the most common community found in an area
c. changes over time
d. is well adapted to the climate and persists until the climate changes
e. is seasonal
ANSWER: d
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Auditory information travelling from the cochlea toward the brain passes through several structures. Which order is correct?
a. cochlea to primary auditory cortex to the medulla to the pons b. cochlea to cortex pons to medulla to the primary auditory cortex c. cochlea to medulla to pons to primary auditory d. cochlea to medulla to primary auditory cortex to the pons
What is the main difference between monotremes and eutherians?
A. Monotremes lack the mammary glands that eutherians have. B. Monotremes are ectothermic, while eutherians are endothermic. C. Monotremes lay eggs, while eutherians give birth to live young. D. Monotremes finish developing their young in a pouch, while eutherians develop young in a placenta.
How many liters of water does an average human need to replace each day by consuming food or drink?
A) 1 B) 2 C) 3 D) 4
According to the fluid mosaic model of cell membranes, which of the following is a TRUE statement about membrane phospholipids?
A) They frequently flip-flop from one side of the membrane to the other. B) They form a viscous fluid through which proteins shift and flow. C) They have hydrophilic tails in the interior of the membrane. D) They occur in an uninterrupted bilayer, with membrane proteins strictly anchored to the surface of the membrane. E) They are free to depart from the membrane and are dissolved in the surrounding solution.