chlorophyta: large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
abstraction: a general concept formed by extracting common features from specific examples
nonconformist: someone who refuses to conform to established standards of conduct