The green algae include unicellular and colonial flagellates, most with two flagella per cell, as well as various colonial, coccoid and filamentous forms, and macroscopic, multicellular seaweeds. In the Charales, the closest relatives of higher plants, full cellular differentiation of tissues occurs.reen algae have chloroplasts that contain chlorophyll a and b, giving them a bright green color, as well as the accessory pigments beta carotene and xanthophylls, in stacked thylakoids. The cell walls of green algae usually contain cellulose, and they store carbohydrate in the form of starch.
inaccessibility definition: Noun (uncountable) 1. The quality or state of being inaccessible; inaccessibleness.Origin From Middle French inaccessibilitÃ©...
a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill: the village is backed by awe-inspiring mountains we set off down the mountain | [as adj.] the ice and snow of a mountain peak. â (mountains) a region where there are many such features, characterized by remoteness and inaccessibility: they sought refuge in the mountains | [as adj.] (mountain) his attempt to picture the mountain folk in ridiculous attire. â (a mountain ...