Topic Content:
- Evolutionary Trends in the Plant Kingdom
- Summary of Kingdom Plantae
There has been a development from simple to complex, from less organized to the more organized plant body. Also, a move from aquatic habitat to terrestrial habitat as a result of which the advanced plants are less dependent on water and adapted to terrestrial life.
- The Thalophytes (algae) are the most simple in the plant kingdom. They are aquatic, lack vascular tissues, no roots, stems or leaves.
- The algae are followed by the bryophytes (mosses and liverworts) which are terrestrial, having progressed from water to land, though they still depend on water for reproduction. They are found in moist places, non-vascular, lack roots, stems and leaves, but have root-like, stem-like and leaf-like structures.
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