The major carbon reservoir in marine ecosystems is ____
a. cell respiration
b. in marine sediments
c. volcanic eruptions
d. photosynthesis
e. ocean runoff
ANSWER: b
You might also like to view...
True or false: By the time the filtrate leaves the proximal convoluted tubule, about 75% of the water and most of the electrolytes and solutes have been reabsorbed into the bloodstream
A. true B. false
If the allele frequency of the dominant allele is 0.4, what value is used for the term p2 in the equation p2 + 2pq + q2 = 1?
A. 0.4 B. 0.2 C. 0.16 D. 16
Which of the following elements is not particularly abundant in living cells?
a. carbon b. hydrogen c. helium d. nitrogen e. oxygen
When auditory hair cells bend they ____
a. produce action potentials b. are inhibited c. release neurotransmitters d. cause a pressure wave to strike the eardrum e. inhibit the auditory nerve