Look at an illustration of a trophic level pyramid. for each trophic level, write one or two sentences explaining the role of that type of organism. you should include those organisms that fall outside the normal pyramid. give an example of each type of organism. your examples do not have to belong to the same food chain in real life. why does the pyramid get narrower at each higher level?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.