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Kingdom: Plantae, animalia, fungi, protoctista and prokaryotae. Phylum: Groups organisms according to body plan eg backbone. Class: Groups organisms to do with general trait eg number...
Sep 4, 2018 · A plant kingdom is further classified into subgroups. Classification is based on the following criteria: Plant body: Presence or absence of a well-differentiated plant body. E.g. Root, Stem and Leaves. Vascular system: Presence or absence of a vascular system for the transportation of water and other substances. E.g.
The kingdom Plantae constitutes large and varied groups of organisms. All are eukaryotic, multicellular with differentiated tissues, and photosynthetic. There are more than 300,000 species of cataloged plants. Of these, more than 260,000 are seed plants. Mosses, ferns, conifers, and flowering plants are all members of the plant kingdom.
- Figure \(\PageIndex{1}\): Alternation of generations between the haploid (1n) gametophyte and diploid (2n) sporophyte is shown. (credit: modification of work by Peter Coxhead)
- Figure \(\PageIndex{2}\): This life cycle of a fern shows alternation of generations with a dominant sporophyte stage. (credit "fern": modification of work by Cory Zanker; credit "gametophyte": modification of work by "Vlmastra"/Wikimedia Commons)
- Figure \(\PageIndex{3}\): This life cycle of a moss shows alternation of generations with a dominant gametophyte stage. (credit: modification of work by Mariana Ruiz Villareal)
- Figure \(\PageIndex{4}\): This apple seedling is an example of a plant in which the apical meristem gives rise to new shoots and root growth.
Jul 25, 2017 · Plant kingdom or Plantae includes multicellular, photosynthetic, autotrophic and eukaryotic organisms. Their cell contains rigid cell wall primarily made up of cellulose. The plant body may be thalloid (undifferentiated mass of tissues) or well-differentiated into stem, root, and leaves.
By the end of this section, you will be able to: Describe the major characteristics of the plant kingdom. Discuss the challenges to plant life on land. Describe the adaptations that allowed plants to colonize land. Plants are a large and varied group of organisms.
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Introduction. Plants are a large and varied group of organisms (Fig 1). There are close to 300,000 species of cataloged plants. Of these, about 260,000 are plants that produce seeds. Mosses, ferns, conifers, and flowering plants are all members of the plant kingdom.
