Most peptic ulcers are caused by
a. antibiotics.
b. bacteria.
c. heartburn.
d. lactose intolerance.
e. malnutrition.
B
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The Osteichthyes, or bony fish, make up about half of vertebrate species diversity. Their success is due to a combination of adaptations that include (select all that apply):
A. mobile jaws for specialized feeding. B. kidneys that allow fine regulation of water balance. C. lungs modified from swim bladders. D. metamorphosis allowing them to occupy distinct niches as juveniles and adults. E. paired, fleshy pectoral and pelvic fins.
The animal in the above figure is using ____
for protection. a. mimicry b. display behavior c. warning coloration Community Ecology 416 d. chemical defenses e. camouflage
Which of the following glands is located nearest the kidneys?
A) ovaries B) pineal gland C) thyroid gland D) adrenal glands
Mononucleosis ("mono") is usually caused by EBV, or the Epstein-Barr virus. Mono is more common in children than in adults because adults usually have developed ________ toward the virus
A) innate immunity B) adaptive immunity C) passive immunity