Which of the following constitute the vestibular apparatus?
A. saccule and utricle only
B. semicircular canals, saccule, and utricle
C. ampullae of Lorenzini
D. saccule, utricle, and Organ of Corti
E. saccule, utricle, and ventricle
B. semicircular canals, saccule, and utricle
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The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.TimeOxygen (ppm)pH2 a.m.4.57.74 a.m.2.87.26 a.m.2.26.88 a.m.2.56.810 a.m.3.97.2Noon6.57.72 p.m.10.08.34 p.m.12.18.86 p.m.13.19.28 p.m.13.09.210 p.m.12.08.8Midnight10.88.3Upon closer examination, the fish appeared to have died from a lack of oxygen. What time of day did the fish most likely die?
A. At sundown B. Around midnight C. In the middle of the afternoon D. Just before dawn
Amphibians are not completely free to live on dry land because
A. their ancestors were fish. B. their food organisms live in water. C. their reproduction depends on water. D. they can escape from predators by jumping into the water. E. they obtain oxygen from water through gills.
Which of the following statements is NOT
TRUE? a. Photons are packages of solar energy. b. Each photon consists of a fixed amount of energy. c. The least energetic photons travel in longer wavelengths. d. Photons with different energy levels are perceived as exhibiting different colors. e. Photons of visible light have wavelengths shorter than 350 nanometers
Atherosclerosis
A) is caused by a diet high in salt. B) causes a loss of plaque from the walls of the arteries. C) reduces blood flow in arteries. D) is a condition of the veins. E) is another name for high blood pressure.