Kelp grows in "underwater forests" (kelp forests) in shallow oceans, and is thought to have appeared in the Miocene, 5 to 23 million years ago. Subsequently Whittaker proposed a more systematic and elaborates five kingdom system of classification. Kelps are large brown algae seaweeds that make up the order Laminariales.There are about 30 different genera. The classification of algae depends on its features. Algae are the green slimy blanket which covers the rock surface or the top of the ponds or a poorly kept aquarium that have the ability to conduct photosynthesis. These characteristics include the photosynthetic pigments, nature of photosynthetic reserve materials, the composition of cell wall or absence of cell wall, cellular and thallus morphology and reproductive behaviour. These systems of classification of living organisms and their merits and demerits are given below. animal. The separation of these three groups is so deep and substantial that in recent classification schemes they are classified into different kingdoms. fungi. dandelions belong to which kingdom. The kelps are among the largest algae; certain species of Macrocystis and Nereocystis of the Pacific and Antarctic regions exceed 33 metres (100 feet) in length. Algae belongs to four different kingdoms, including the kingdom bacteria, kingdom plantae, kingdom protista and kingdom chromista. There is three main Algae classification: Chlorophyceae – These are called green algae, due to the presence of pigments chlorophyll a and b. Two Kingdom System. Algae is a collective term for many organisms, so it is classified into different kingdoms. Brown algae (class Phaeophyceae) commonly found as seaweeds include kelps and Fucus. Examples are Chlamydomonas, Spirogyra, and Chara; Phaeophyceae – Also called as brown algae, they are predominantly marine. Plant Kingdom is divided in to: (I) Thallophyta: Various types of microorganisms like algae, fungi and bacteria have been kept under it. seaweed belongs to which kingdom. Algae Classification. The algae belong to the subphylum Thallophyta of the kingdom Protista in modern classification of organisms. NEET Biology Multiple Choice Questions and Answers I Class 11 and Class 12 Biology MCQ & Online Tests NEET Biology Multiple Choice Questions and Answers NEET Biology Previous Questions Unit: 1 Diversity in Living World Latin ‘alga’ means seaweed. He classified all the living organisms under two large kingdoms. The levels of classification of organisms in order are domain, kingdom, phylum, class, order, family, genus and species. Despite its appearance, kelp is not a plant; it is a heterokont.. plant. The major characteristics of taxonomic significance used in the classification of algae have been tabulated in Table 5.2. 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