Algae
Not all plants are microscopic in the ocean, infact some of the kelps growing over there are largest among the plant kingdom.
Plankton
Fungi
Plankton, Zooplankton, Planaria, Algae (Algae are plants, growing in the water.) {Wrong category: This isn't a Gorillas category question: this is a Marine Animals or Marine Plants question, or an Ocean or Water question.}
whale
They are microscopic marine plants that are the beginning of the food chain in the ocean.
Answer is The epipelagic zone
Plankton are microscopic sea creatures, and the term includes both animals and plants.
Some are called single celled organisms. But I am not sure if all of them are called that though.
biological precipitation
Microscopic plants rely on the suns rays for food just like other plants. This is because microscopic plants need to photosynthesize too.
Plankton are microscopic organisms that live in the ocean. Zooplankton are tiny animals. Phytoplankton are tiny plants. Some examples of phytoplankton include many types of algae, or single-celled plants.