Question

Algae are divided into three main classes. What are the three classes? Differentiate them based on photosynthetic pigment and food.

Answer 1

Algae are a diverse community of pure chlorophyll-bearing creatures that have the capacity to execute photosynthesis. These are the simplest forms of food supply chain sources. They could be unicellular or multicellular. They are assumed to be predominantly aquatic, the algae have a thalloid arrangement, with no distinction.

Complete step by step answer: There are three key Algae classes Chlorophyceae, Phaeophyceae, and Rhodophyceae. Chlorophyceae are unicellular, or multicellular algae, mostly with simple structure. Food storage goods are, for the most part, starch and quite often fat that aggregates around the pyrenoids. Reproduction occurs either by sexual or asexual means. Phaeophyceae are structurally the most complex algae with clear filaments to large plant bodies. Sexual reproduction varies from isogamy to oogamy. Rhodophyceae types are multicellular (complex). It is a distinct organism identified in both freshwater and marine environments.

Algae class	Photosynthetic pigments	Food stored within them	Example
Chlorophyceae (Green algae)	They are composed of pigments chlorophyll a and b	Starch, protein	Spirogyra, chara
Phaeophyceae (Brown algae)	They have composed of pigments chlorophyll a, c, β- carotene, xanthophyll	Mannitol, Laminarin	Laminaria, sargassum
Rhodophyceae (Red algae)	They are composed of pigment r-phycoerythrin and r-phycocyanin	Floridean starch	Gracilaria, and Gelidium

Additional Information:
Algae are considered to be plants and even to be protists. As per the recent phylogenetic analysis of ancestral relations, certain algae are in fact quite strongly related to plant life, but some algae are linked to protist groups. Thus, algae are a massively complicated and genetically varied bunch of organisms belonging to several distinct evolutionary lines. This culture is reflected in the immense variety presented by algae despite anatomical, ultrastructural, environmental, physiological, and biochemical profiles.

Note: Algae could be discovered almost everywhere where photosynthesis occurs and also where water is provided for reproduction. Algae are essential colonialists in hot springs and volcanoes that these so-called extremophiles often prosper at high temperatures. If life develops elsewhere in our solar system, an algae-like species is one of the most likely to be found. Different forms of asexual are common in algae, but algae sometimes reproduce sexually, creating genetically distinct meiotic division gametes, and then merge two gametes between two different individuals to make a new one.