What are the stinging cells present in cnidarians?
A) Cnidoblasts
B) Spicules
C) Nettles
D) Gastrodermis
A
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Joann, a marine scientist, is studying the amount of dissolved iron, nitrate, and phosphate in the upper water column of
the open ocean to determine if nutrients are limiting phytoplankton growth. What kind of marine scientist is she? a. physical oceanographer b. chemical oceanographer c. marine biologist d. marine geologist e. marine engineer
Tropical storms in the East Pacific
A) eventually pass over Hawaii. B) generally move westward. C) miss Mexico. D) are the typhoons that hit Asia.
Actual evapotranspiration is
A) when atmospheric demand exceeds water supplies. B) an actual expenditure of the water to the atmosphere. C) Surplus subtracted from Precipitation total. D) Surplus subtracted from Potential Evaporation.
It is MOST pertinent to determine if the symptoms of a diving-related emergency began:
A) at the time of water entry. B) before entering the water. C) after the diver surfaced. D) during ascent or descent