Why deserts are at certain latitudes
What will be an ideal response?
Cool air moving toward the poles descends and warms, absorbing water from the earth's surface and producing a band of arid climate (deserts) at around 30 degrees N and S. This air is already dry due to the release of precipitation near the tropics, where it rose and condensed.
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If Negri bodies are identified in brain tissue through cytologic means, then the virus is identified as a(n):
a. adenovirus. b. parvovirus. c. rabies virus. d. varicella virus.
Which of the following statements about the interactions between the hypothalamus and pituitary is false?
a. Most hypothalamic hormones that act on the anterior pituitary are releasers that encourage secretion of hormones by target cells b. The hypothalamus has some neurons whose axons extend into the pituitary's posterior lobe. c. The posterior lobe of the pituitary secretes hormones made in the hypothalamus. d. Antidiuretic hormone (ADH) and oxytocin are synthesized in the cell bodies of neurons in the anterior pituitary.
A(n) ________ is a permeable underground layer of rock, sand, and gravel saturated with groundwater.
A. natural spring B. aquifer C. hot spring D. submergence
During the Oligocene epoch, specializations in mammals that are suggestive of a more open type of
habitat include all of the following except:: a. longer legs. b. larger body size. c. specialized teeth. d. larger relative brain size. e. the amniote egg.