Algae

Algae (/ˈældʒiː/ or /ˈælɡiː/; singular alga /ˈælɡə/, Laitin for "seaweed") are a very muckle an diverse group o simple, typically autotrophic organisms, rangin frae unicellular tae multicellular furms, such as the giant kelp (muckle 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 mucklest an maist complex marine furms are cried seaweeds.

Algae An informal term for a diverse group o photosynthetic eukaryotes Temporal range: Mesoproterozoic–present Had'n Archean Proterozoic Pha.
A variety o algae grawin on the sea bed in shallae watters
Scienteefic clessification
Groups included
Archaeplastida Plantae/Green algae Mesostigmatophyceae Chlorokybophyceae Chlorophyta Charophyta Rhodophyta (reid algae) Glaucophyta Rhizaria, Excavata Chlorarachniophytes Euglenids Chromista, Alveolata Heterokonts Bacillariophyceae (Diatoms) Axodines Bolidomonas Eustigmatophyceae Phaeophyceae (broun algae) Chrysophyceae (gowden algae) Raphidophyceae Synurophyceae Xanthophyceae (yellae-green algae) Cryptophyta Dinoflagellata Haptophyta
Typically excluded:
Cyanobacteria (blue-green algae)