Algae

Overview

Algae is a diverse group of (primarily) aquatic, plant-like organisms.  Algae can take the form of microscopic single cells, loose conglomerations, matted or branched colonies or large Seaweeds with structures resembling roots, stems and leaves.  Most Algae have Cell walls, contain Chlorophyll and participate in photosynthesis.  Occasionally the Chlorophyll component of Algae is masked by other pigments - accounting for the diverse range of colors of the different groups of Algae.  Note that Blue-Green Algae is not classified as a plant, but a Microorganism as this group of Algae have more in common with Bacteria than with Plants.