algae
brown algae
Brown algae
brown algae
brown algae
Kelp.
Algae is (are) the most prevalent plant in the ocean. Indeed, the ONLY plant in the ocean. Seaweed, kelp, etc. are all different forms of algae. There are no rooted plants like we see on land, though some terrestrial plants, like mangroves, can live with their roots in salt water. Some macroalgae (like kelp) have "holdfasts" that attach them to rocks on the sea bed, but they are not true, nutrient-absorbing roots like terrestrial plants.
phytoplankton
Predation is the type of relationship where one kind of organism feeds on another. A snake eating a mouse is an example of a predation relationship.
A Plant organism.
A Plankton is an example of a living organism that can swim feely in the ocean
brown algae
A dead organism