seaweed grows underwater which gives it that slimy covering and plants grow on land so it doesn't get wet that often to get the coating.
Kelp, and seaweed are the main types of ocean plants.
Seaweed is a plant. Plankton is more an organism than a plant. There are different types of plankton i the ocean that have different feeding habits.
Seaweed? Plants.
in the sea there are seaweed, coral, and hydrothermal vents.
Many different kinds of plants grow in water. Seaweed and lily pads are two examples.
Some scientists classify seaweed as plants, and some classify seaweed as protists.
"Seaweed" is loose colloquial term for macroscopic multicellular algae. Algae, however, are not even plants but are protists. "Seaweed" plants would be correctly termed aquatic plants to which both vascular and non vascular aquatic plants exist.
seaweed
seaweed
Seaweed
seaweed, coral
in the sea