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Hint: Kingdom Plantae comprises eukaryotic organisms which has a definite cell wall. They are non-motile and are autotrophic in nature. Bryophytes and pteridophytes are the subclasses of Kingdom Plantae.
Complete Answer:
To solve this question we have to know about the basis of the classification of plant kingdom. Plant kingdom is classified into 5 subgroups on the basis of whether the plant body is differentiated or not, presence or absence of vascular tissues and fruits bearing seeds or seedless. The subgroups are as follows- Thallophyta, Bryophyta, Pteridophyta, gymnosperms and Angiosperms.
Note: Bryophytes and pteridophytes do not bear flowers. The seeds are in the form of spores. Both bryophytes and pteridophytes prefer moist and terrestrial habitat.
Complete Answer:
To solve this question we have to know about the basis of the classification of plant kingdom. Plant kingdom is classified into 5 subgroups on the basis of whether the plant body is differentiated or not, presence or absence of vascular tissues and fruits bearing seeds or seedless. The subgroups are as follows- Thallophyta, Bryophyta, Pteridophyta, gymnosperms and Angiosperms.
Characteristics | Bryophytes | Pteridophytes |
Appearance | Bryophytes are soft and leafy in appearance. | Pteridophytes are woody and have tree-like appearance. |
Body Differentiation | The body is like a leafy thalloid body. It is not differentiated into roots, stem, and leaves. Rhizoid is present instead of true root. | The plant body is differentiated into roots, stem and leaves. |
Vascular System | Vascular system is absent. Thus they are considered as primitive plants. | Pteridophytes have a definite vascular system i.e xylem and phloem is present for conducting water and minerals. |
Ploidy in the main body | The main plant body is haploid. | The main plant body is diploid. |
Sexual reproduction | The sexual reproduction is sporophytic which means the spore capsules are formed after fertilisation. | The sexual reproduction is gametophytic which means gametes are formed after fertilisation. |
Habitat | They prefer to grow in a moist habitat. | They prefer to grow in moist and shady places. |
Example | Mosses and liverworts. | Fern and horsetails. |
Note: Bryophytes and pteridophytes do not bear flowers. The seeds are in the form of spores. Both bryophytes and pteridophytes prefer moist and terrestrial habitat.
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