Tiny, but when a lot bunch up together it forms a big blanket of algae.
Brown algae
The largest algae belong to the phylum Phaeophyta, also known as brown algae. Brown algae include seaweeds such as kelp, which can grow to be quite large in size.
Among the brown algae are the largest of all algae, the giant kelps, which may reach a length of over 100 ft (30 m).
Kelp.
The largest brown algae is the giant kelp (Macrocystis pyrifera), which can grow up to 150 feet in length. It forms dense underwater forests in cold, nutrient-rich waters along the coastlines of the Pacific Ocean.
Algae is the largest producer of oxygen
Plants and algae
No , Kelps are not protozoans but Kelps are Brown Algae . They are the largest Algae .
The world's largest single-celled organism is the green algae Caulerpa.
Algae eating fish are not poisonous to people. However, even the largest varieties do not get very big, so they are not really commonly eaten by humans.
halamananan
The largest group of the Kingdom Protista is the algae. Algae are photosynthetic organisms that can range from single-celled to multicellular forms. They play a vital role in the ecosystem by producing a significant amount of oxygen and serving as the base of the food chain in aquatic environments.