Which series orders organisms from those with the greatest amount of energy available to them to those with the least amount of energy available to them?

secondary consumer, primary consumer, producer

producer, secondary consumer, primary consumer

primary consumer, secondary consumer, producer

producer, primary consumer, secondary consumer

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.

Why do you suppose the structural polysaccharide cellulose does not contain branches?