A rat that learns not to approach a certain part of a cage because it has received a shock there exhibiting ____
a. operant conditioning
b. shock therapy
c. desensitization
d. mirroring
e. observational learning
ANSWER: a
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Which of the following structures is not matched properly with its function?
A. collecting ducts: selective reabsorption of key electrolytes and solutes B. glomerulus: filtration C. renal tubules: secretion of additional wastes D. ureter: transport of urine to the bladder E. bladder: storage and elimination of urine
Which of the following is NOT true about
fossil fuels?
a. they currently are not cost effective b. they are made from non-fossilized organic matter c. they include oils, gases, and alcohols mainly from plants d. they add more carbon dioxide to the atmosphere e. more than one of these is not true
Four of the following statements are true of predator-prey coevolution. Which one is FALSE?
a. Each species exerts selection pressure on the other. b. Predators are selective agents that favor improved prey defenses. c. Prey with better defenses are selective agents that favor better predator hunting skills. d. Coevolution only occurs in animals and is usually seen after one reproductive generation. e. Camouflage, warning coloration, and mimicry are all examples of coevolution tactics.
Overall, water movement from the soil, through plant tissues, and finally to the atmosphere through transpiration, is driven by a gradient of
A) water potential. B) osmotic pressure. C) water temperature. D) specific leaf area.