Why is the alarm calling of the vervet monkey an example of advanced communication? a. the response is learned and stays consistent over time. b. the response is innate and varies over time. c. the response is learned and varies over time. d. the response is innate and stays consistent over time.

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.