dolphins, fish, whales, plants, squid, seahorses, starfish, manatees, barnicoles, oysters, plankton, mantata ray, seaweed.
sand, water, rocks, sunlight(direct), shells, sea mounts, salt(90%), water pressure, air bubbles.
carrying capacity :
The amount of organisms an environment can hold
If over a period of time the population of Krill was to decrease then the population of whale would begin to decrease as well.
Some limiting factors for a shark are humans, water temperature, and food availability.