Answer:
it is true. Watersheds can be as small as a footprint or large enough to encompass all the land
Answer:
Osmosis is the movement of molecules from a region of lower concentration to a region of higher concentration through a semi-permeable membrane
WHILST
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration until the molecules are evenly distributed
Native shellfish populations have dramatically decreased as they are outcompeted by the crabs, causing a decrease in biodiversity.