The White Cliffs of Dover, a famous landmark in England, is made of limestone, which is really a collection of the pore-studded shells (tests) of
A. diatoms.
B. dinoflagellates.
C. brown algae.
D. spirochetes.
E. foraminifera.
E. foraminifera.
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One reason plants often do not survive indoors is because they lack adequate amounts of:
A. water B. minerals C. light D. proper temperature E. All of these could be true
If a person had sensorineural deafness, why would a bone-vibrating hearing aid be useless?
What will be an ideal response?
Explain how a recessive trait can be the most frequent phenotype in a population
What will be an ideal response?
At the breakfast table, your roommate says, "Oops! I forgot to take my melatonin last night. I'd better take it now." How do you respond?
A. "Don't take it after a meal - it promotes the 'fight-or-flight' response, not 'rest-and-digest'." B. "Good idea - you don't want your bones to get brittle." C. "Don't take it now - it regulates biological rhythms, and is normally high at night and low during the day." D. "Be sure not to take too much, or your blood sugar could get dangerously low."