Choose the One Most Appropriate Answer for Each

Multiple Choice

Choose the one most appropriate answer for each.
-Biogeochemical cycles

A) Rate at which energy becomes stored in organic compounds through photosynthesis
B) Main form of carbon storage in sea water; taken up by marine producers and converted to carbon dioxide
C) A straight-line sequence of steps by which chemical bond energy moves to higher trophic levels
D) The amount of energy from autotrophs that is available to first-level consumers
E) The movement of a nutrient among environmental reservoirs and into and out of food webs
F) Particles of organic waste products; dead, or partly decomposed tissues