Dissolved oxygen is highest in which body of water?
a. warm eutrophic lake
b. slow-moving tropical river
c. pool within a cool forest stream
d. white water stretch of a cold river
e. dissolved oxygen should be the same in all waters
ANSWER: d
You might also like to view...
How does the open ocean have the highest relative net primary productivity while having one of the lowest mean biomass per unit area?
A) high turnover rate of plankton B) high mean net primary productivity C) the presence of large organisms like whales D) having a larger third dimension of depth
Which gland is active in the building up of the body's defense system and is larger in infants and children?
A) thyroid B) pancreas C) posterior pituitary D) thymus
What provides a connection between two neurons?
A) a synapse B) a cell body C) an axon D) dendrites
Why are most infants with phenylketonuria usually healthy at birth?
a. The defect causing the condition has usually been repaired by that time. b. The mother breaks down phenylalanine for both herself and her fetus. c. The infant can produce sufficient quantities of the enzymes needed by birth. d. Phenylalanine can be completely excreted in infants. e. Phenylalanine is completely metabolized in infants