Diversity in Living Organisms
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Differentiate between Pteridophyte, bryophyte and Thallophyta.
Difference Between Thallophyta Bryophyta and Pteridophyta
Definition Thallophyta: Thallophyta refers to seedless and flowerless organisms consisting of algae, fungi, lichens, and bacteria. Bryophyta: Bryophytes refers to small, flowerless plants consisting of liverworts, mosses, and hornworts. Pteridophyta: Pteridophyta refers to flowerless plants consisting of ferns and their relatives. Habitat Thallophyta: Thallophyta lives in aquatic environments, on or within plants, on snow, and on rocks. Bryophyta: Bryophyta mainly lives in aquatic environments. Pteridophyta: Pteridophyta mainly lives in dry, terrestrial environments. Structure Thallophyta: Thallophyta is mostly unicellular. Bryophyta: Bryophyta is multicellular. Pteridophyta: Pteridophyta is multicellular. Plant Body Thallophyta: The plant body of Thallophyta is a thallus. Bryophyta: The plant body of Bryophyta shows stem-like, root-like, and leaf-like structures. Pteridophyta: The plant body of Pteridophyta is differentiated into stem, root, and leaves. Vascular System Thallophyta: Thallophyta lacks a vascular system. Bryophyta: Bryophyta lacks a true vascular system. Pteridophyta: Pteridophyta consists of a true vascular system. Alterations of Generations Thallophyta: Thallophyta does not show alterations of generations. Bryophyta: Bryophyta shows alterations of generations with a prominent gametophyte. Pteridophyta: Pteridophyta shows alterations of generations with a prominent sporophyte. Sex Organs Thallophyta: The sex organs of Thallophyta are unicellular. Bryophyta: The sex organs of Bryophytes are multicellular. Pteridophyta: The sex organs of Pteridophyta are multicellular. Embryo Formation Thallophyta: Thallophyta does not form an embryo. Bryophyta: Bryophyta forms an embryo after fertilization. Pteridophyta: Pteridophyta forms an embryo after fertilization. Organization Thallophyta: Thallophyta consists of plant-like organisms. Bryophyta: Bryophyta shows the least organization in the plant kingdom. Pteridophyta: Pteridophyta shows a higher organization than the Bryophyta. Examples Thallophyta: Cyanobacteria, algae, lichens, and fungi are examples of Thallophyta. Bryophyta: Liverworts, mosses, and hornworts are examples of Bryophytes. Pteridophyta: Ferns are the examples of Pteridophyta. Similarities Between Thallophyta, Bryophyta and Pteridophyta: Thallophyta, Bryophyta, and Pteridophytes belong to the subkingdom Cryptogamae of the kingdom Plantae. They do not produce seeds, fruits, and flowers. Their cell walls are made up of cellulose. They are autotrophic and produce their own food. They reserve their food as starch. They consist of hidden reproductive structures. They reproduce by means of spores.
Definition Thallophyta: Thallophyta refers to seedless and flowerless organisms consisting of algae, fungi, lichens, and bacteria. Bryophyta: Bryophytes refers to small, flowerless plants consisting of liverworts, mosses, and hornworts. Pteridophyta: Pteridophyta refers to flowerless plants consisting of ferns and their relatives. Habitat Thallophyta: Thallophyta lives in aquatic environments, on or within plants, on snow, and on rocks. Bryophyta: Bryophyta mainly lives in aquatic environments. Pteridophyta: Pteridophyta mainly lives in dry, terrestrial environments. Structure Thallophyta: Thallophyta is mostly unicellular. Bryophyta: Bryophyta is multicellular. Pteridophyta: Pteridophyta is multicellular. Plant Body Thallophyta: The plant body of Thallophyta is a thallus. Bryophyta: The plant body of Bryophyta shows stem-like, root-like, and leaf-like structures. Pteridophyta: The plant body of Pteridophyta is differentiated into stem, root, and leaves. Vascular System Thallophyta: Thallophyta lacks a vascular system. Bryophyta: Bryophyta lacks a true vascular system. Pteridophyta: Pteridophyta consists of a true vascular system. Alterations of Generations Thallophyta: Thallophyta does not show alterations of generations. Bryophyta: Bryophyta shows alterations of generations with a prominent gametophyte. Pteridophyta: Pteridophyta shows alterations of generations with a prominent sporophyte. Sex Organs Thallophyta: The sex organs of Thallophyta are unicellular. Bryophyta: The sex organs of Bryophytes are multicellular. Pteridophyta: The sex organs of Pteridophyta are multicellular. Embryo Formation Thallophyta: Thallophyta does not form an embryo. Bryophyta: Bryophyta forms an embryo after fertilization. Pteridophyta: Pteridophyta forms an embryo after fertilization. Organization Thallophyta: Thallophyta consists of plant-like organisms. Bryophyta: Bryophyta shows the least organization in the plant kingdom. Pteridophyta: Pteridophyta shows a higher organization than the Bryophyta. Examples Thallophyta: Cyanobacteria, algae, lichens, and fungi are examples of Thallophyta. Bryophyta: Liverworts, mosses, and hornworts are examples of Bryophytes. Pteridophyta: Ferns are the examples of Pteridophyta. Similarities Between Thallophyta, Bryophyta and Pteridophyta: Thallophyta, Bryophyta, and Pteridophytes belong to the subkingdom Cryptogamae of the kingdom Plantae. They do not produce seeds, fruits, and flowers. Their cell walls are made up of cellulose. They are autotrophic and produce their own food. They reserve their food as starch. They consist of hidden reproductive structures. They reproduce by means of spores.
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