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- The kingdom Plantae constitutes large and varied groups of organisms. All are eukaryotic, multicellular with differentiated tissues, and photosynthetic.
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Kingdom: Animalia: Cells have nuclei and no cell wall. Phylum: Chordata: Have backbones. Class: Mammalia: Have hair and produce milk for young. Order: Primates: Have flat faces, forward facing ...
Mosses, ferns, conifers, and flowering plants are all members of the plant kingdom. The plant kingdom contains mostly photosynthetic organisms; a few parasitic forms have lost the ability to photosynthesize. The process of photosynthesis uses chlorophyll, which is located in organelles called chloroplasts.
- 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.
- Division -Thallophytes. This includes algae. The organisms don’t have a differentiated body(thalloid). They are autotrophic and contain chlorophyll. The algae reproduce by vegetative(fragmentation), asexual(spores), and sexual(gametes) methods.
- Bryophytes. They need both water and soil to complete their life cycle and are knowns as amphibians of the plant kingdom. They may have root-like(rhizoids), leaf-like or stem-like structures.
- Pteridophytes. These are the first terrestrial plants to possess vascular tissues namely the xylem and phloem. These vascular tissues are well differentiated so that each cell can perform its required function.
- Gymnosperms. In gymnosperms, the ovules are naked and are not enclosed within any ovary wall at any point in time. Gymnos stands for naked and sperms mean seeds.
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.
Jan 21, 2020 · The Kingdom Plantae. All members of the plant kingdom share common features. Plants: are made of more than one cell. We call them multicellular; have cell walls; mainly cannot move; make their own food; The plant kingdom can be divided into groups based on plant structures. Plants with similar structures are grouped together.
Sep 13, 2024 · Plant - Photosynthesis, Reproduction, Evolution | Britannica. Science Plants. Definition of the kingdom. in plant. Also known as: Embryophyta, Metaphyta, Plantae. Written by. William C. Dickison. Professor of Biology, University of North Carolina at Chapel Hill. Coauthor of Vascular Plant Systematics. William C. Dickison, George M. Woodwell.
