Answer:
Giant kelp causing huge ocean forests
Step-by-step explanation:
Even though they look like very tall ocean grass that covers the floor and looks stunning it is actually not a plant. It is instead a brown alga and is part of the huge kingdom of life known as Protista. Even though most protozoa are single-celled giant kelp is not. It is a large and complex organism and is the largest protist in the world that we know of.