Algae

Algae
A variety o algae growin on the sea bed in shallae watters aff the New Sooth Wales coast
Scientific classification
Domain: Eukaryota
Includit groups
Archaeplastida Chlorophyta (green algae) Rhodophyta (reid algae) Glaucophyta Rhizaria, Excavata Chlorarachniophytes Euglenids Chromista, Alveolata Heterokonts Bacillariophyceae (Diatoms) Axodine Bolidomonas Eustigmatophyceae Phaeophyceae (broun algae) Chrysophyceae (gowden algae) Raphidophyceae Synurophyceae Xanthophyceae (yellae-green algae) Cryptophyta Dinoflagellates Haptophyta
Excluded groups
Cyanobacteria Plantae

Algae (/ˈældʒiː/ or /ˈælɡiː/; singular alga /ˈælɡə/, Laitin for "seaweed") are a very lairge an diverse group o simple, typically autotrophic organisms, rangin frae unicellular tae multicellular furms, such as the giant kelp (lairge broun alga), that mey grow up tae 50 meters in length. Maist are photosynthetic an "simple" acause thay lack mony o the distinct cell organelles an cell types foond in land plants. The lairgest an maist complex marine furms are cried seaweeds.