Different species of owls are found in temperate forest, boreal forest, desert, tundra, and temperate grassland biomes. What is an adaptation that would be found in a grassland owl but not in a forest owl?
a) ability to dig
b) specialized three-dimensional hearing
c) ability to catch insects
d) specialized feathers that provide camouflage
Ans: a) ability to dig
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What is a consequence of the fact that the chickenpox virus has a much lower mutation rate than the influenza virus?
A. Chickenpox virus can "hide out" as latent virus in nerve cell bodies, but influenza cannot. B. Chickenpox creates skin lesions, while influenza leads to body aches. C. Chickenpox virus can reemerge decades later with the symptoms of shingles, while influenza is transient. D. A chickenpox infection generally gives immunity against a repeat infection, but people can catch the flu every year. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about viral mutation rates? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
If you were an anglerfish, which of the following techniques would you use to capture your prey?
a. You would remain visible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. b. You would remain invisible in dark water, then use the glowing lure on your jaw to attract the prey and finally expand your oral cavity and suck your prey. c. You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. d. You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your whole body and suck your prey.
The oceans contain about ________% of the Earth's water.
A. 91 B. 93 C. 97 D. 95
A fertility doctor is trying to determine why a couple is infertile. It has been determined that the woman is fertile, so the problem may be with the man. In analyzing his semen, the doctor notices adequate sperm production, but the sperm are largely
inactive. He concludes that the semen may be lacking in proper nutrients for the sperm. Which structure would be the most likely candidate for the source of the problem? A) vas deferens B) seminiferous tubules C) seminal vesicles D) urethra