1 ESO Algae (seaweed)

Algae or seaweed  are a very large and diverse group of eukaryotic organisms, ranging from unicellular genera such as Chlorella and the diatoms to multicellular forms such as the giant kelp, a large brown alga that may grow up to 50 meters in length. Most are autotrophic and lack many of the distinct cell and tissue types found in land plants such as stomata, xylem and phloem.

Diatoms are unicellular algae that are present in the phytoplanckton

~ por silviapvadi en abril 27, 2015.