what is the meaning of kingdom plantae in deep
Answers
Plant Kingdom-Plantae
Kingdom Plantae includes all the plants on the earth. They are multicellular, eukaryotes and consist of a rigid structure that surrounds the cell membrane called the cell wall. Plants also have a green coloured pigment called chlorophyll that is quite important for photosynthesis.
Characteristics of Kindom Plantae
The plant kingdom has the following characteristic features:
They are non-motile.
They usually reproduce sexually.
They follow the autotrophic mode of nutrition.
These are multicellular eukaryotes with cell wall and vacuoles.
These contain photosynthetic pigments called chlorophyll in the plastids.
They ave different organelles for anchorage, reproduction, support and photosynthesis.
Classification of Kingdom Plantae
A plant kingdom is a vast group; therefore, the kingdom is further classified into subgroups. Levels of classification are based on the following three criteria:
Plant body: whether the body has well-differentiated structures or not.
Vascular system: whether the plant has a vascular system for the transportation of substances or not
Seed formation: whether the plant bears flowers and seeds or not; if it does, then whether it is enclosed within fruits or not.
Considering all these factors, the plant kingdom has been classified into five subgroups. They are as follows:
1. Thallophyta
2. Bryophyta
3. Pteridophyta
4. Gymnosperms
5. Angiosperms
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