If you were observing a root every few days and saw that it enlarged and persisted throughout the life of the plant, you would be looking at

What would happen if the krill were removed from the food web

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.

How can an organ, such as the lungs, work for multiple body systems?