How do phototrophic microorganisms benefit when associating with corals?
A) Calcium and carbonate ions are released, which help buffer the pH and prevent dramatic pH shifts.
B) The coral skeleton is used as a source of bicarbonate for the autotrophic growth of the phototrophs.
C) The coral skeleton is an extremely efficient light-gathering structure that greatly enhances light harvesting for photosynthesis.
D) The water's temperature in and around the coral skeleton is much warmer.
Answer: C
You might also like to view...
The duckbill platypus is different than most mammals because it
A. doesn't secrete milk. B. lacks hair. C. doesn't give birth, but lays eggs. D. is "cold-blooded." E. All of the choices are correct.
Patients with diabetes mellitus have frequent urination and increased thirst because
A. an increase in sodium ions causes more nerve stimulation and triggers urination. B. more salt is reabsorbed at the proximal convoluted tubule. C. less water passes from the glomerulus to the glomerular capsule. D. increased glucose in the urine increases its osmolarity and less water is reabsorbed by blood. E. more water is driven from the glomerulus to the glomerular capsule than normal.
The flagellum is attached to the cell body by a
A) filament. B) cilium. C) basal body. D) pilus.
Small pieces of DNA synthesized on the lagging strand are called ________.
Fill in the blank(s) with the appropriate word(s).