Question

what is the difference between thallophyta and bryophyta??

Answer 1

Thallophyta Bryophyta Pteridophyta Plant body is thallus. It is not differentiated into root, stem and leaves. ... Plants have true roots, stems and leaves. There is no vascular system (i.e., conducting tissue which can transport water, minerals and food.

Answer 2

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Thallophytes: In thallophytes, the body is a thallus and not differentiated into stems, leaves or roots.

Bryophytes: In bryophytes, the body is not well-differentiated but may have stem-like and leaf-like structures. The body can be grown up to about 15 cm height.

According to the earliest classification of the plant kingdom, there were two sub-kingdoms; Cryptogamae (seedless plants) and Phanerogamae (seed-bearing plants). The sub-kingdom Cryptogamae is further divided into three divisions, namely; Thallophyta, Bryophyta, and Pteridophyta. According to this classification, both Thallophyta and Bryophyta include very primitive plants with no seeds and hidden reproductive structures. The key difference between them is that, in thallophytes, the body is a thallus and not differentiated into stems, leaves, or roots whereas, in bryophytes, though the body is not well-differentiated, they may have stem-like and leaf-like structures. However, the division Thallophyta lately removed from the Kingdom Plantae and put into a different Kingdom called Protista, due to lack of certain features, which are common to green plants. Some of these features include lack of differentiation of plant body, the presence of unicellular sex organs and zygotes, etc. In this article, the difference between division Thallophyta and Bryophyta will be discussed in more detail.

What is Thallophyta:-

Division Thallophyta characterized by the presence of undifferentiated body with no distinctive stems, roots, and leaves. Hence, the body of these plants is called a thallus. Thallophytes do not have a vascular system, unlike the higher green plants. This division mainly includes the algae, which mainly exist in aquatic habitats and are capable of photosynthesis. Some examples of this division include Ulva, Cladophora, Spirogyra, Chara, etc. The sex organs of most thallophytes are unicellular. Thallophytes both sexual and asexual reproduction methods. The life cycle of thallophytes has two independent gametophytic and sporophytic generations. Asexual reproduction occurs especially during unfavorable conditions through the spores called mitospores.
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What is Bryophyta:-

Bryophytes are the most primitive green plants according to the latest classification of plant Kingdom. These plant bodies do not have true leaves, stems, roots or vascular system. Bryophytes include the mosses, liverworts, and hornworts. The body of these plants can grow up to 15 cm long. Mosses have rhizoids, which help to anchor and absorb nutrients. Bryophytes contain chlorophyll, and thus capable of photosynthesis. The life cycle of bryophytes has two generations; gametophyte and sporophyte. Bryophytes are usually found in moist terrestrial habitats because they need water to transport their sperms. Asexual reproduction is also seen.
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