The leaves also have a thick cuticle and sunken stomata to combat the dry conditions. These vascular tissues are well differentiated so that each cell can perform its required function. About 350,000 species of plants, defined as seed plants, bryophytes, … It proposed the biggest phylogenetic classification of plant kingdom and it is the most acceptable classification for books and study. Each class was subdivided into orders according to the number and nature of stamens and carpels or on other characters of stamens. Chemosynthetic autotrophic bacteria oxidise various inorganic substances such as nitrates, nitrites and ammonia and use the released energy for their ATP production. Previously many members of Fungi, Monera and Protista which had cell walls were classified under Plantae. This is called double fertilization. A. Thallophyta: They Are Further Divided Into 10 Types. Based on the first phylogenetic system of classification proposed by Eichler, the plant kingdom is divided into two sub-kingdoms namely Cryptogams and Phanerogams. Possess a cellulose cell wall3. Boundaries of this kingdom are not well defined. Plant Divisions Tracheophyta Thallophyta Pteridphyta Plant Kingdom Bryophyta Or Thallophyta. Plant Kingdom is divided in to: (I) Thallophyta: Various types of microorganisms like algae, fungi and bacteria have been kept under it. 1 Year Validity == Validity of the Download links (both Static & Current Affairs) is 1 Year from the date of purchase. This kingdom forms a link with the others dealing with plants, animals and fungi. They are microscopic and float passively in water currents (, In diatoms the cell walls form two thin overlapping shells. They appear yellow, green, brown, blue or red depending on the main pigments present in their cells. They have, The parasitic forms cause diseases such as, These are aquatic, actively moving organisms because of the presence of thousands of. The sporophyte is divided into the foot, seta and capsule. They are chlorophyll-containing thalloids. Fungi are cosmopolitan and occur in air, water, soil and on animals and plants. Pollen grains germinate on stigma and enter into the embryo sac. Gymnos stands for naked and sperms mean seeds. The mode of nutrition of organisms in this group can be either by synthesizing their own food (, Bacteria are grouped under four categories based on their shape, These bacteria are special since they live in some of the, Archaebacteria differ from other bacteria in having a, Methanogens are present in the gut of several ruminant animals such as cows and buffaloes and they are responsible for the production of, They are characterized by the presence of a, The cyanobacteria are unicellular, colonial, filamentous, freshwater/marine or terrestrial. The male sex organ stamen. The plantae includes all eukaryotic chlorophyll-containing organisms. CLASSIFICATION OF PLANT KINGDOM BASED ON CHARACTERISTICS FEATURES Other than the classification of kingdom Plantae on the basis – flowering and non-flowering plants. Three goals of plant taxonomy are the identification, classification and description of plants. The insectivorous plants like Venus trap and parasite luke Cuscuta are heterotrophic. The name virus that means venom or poisonous fluid was given by Pasteur. However, in other fungi (ascomycetes and basidiomycetes), an intervening dikaryotic stage (n + n, i.e.. Kingdom Plantae is one of the divisions of The Five Kingdom Classification Model. The cryptogams are flowerless (non-flowering) and seedless, spore-bearing plants. The body moves along decaying twigs and leaves engulfing organic material. Plant Kingdom Classification Project Research, Student Presentations, Dichotomous Key, Create a NEW species!Use near end of plant classification unit! Importance of Education in Life & Society, Cells in the Human Body | 14 Types with Examples and Functions, Organs of the body | Their Locations and Internal Functions, 14 Uses of Plants & their Importance to Humans & Nature, 10 Types of Chromatography | Based on Different Techniques & Methods, Grammarly Premium Review | A Complete Writing Assistant, Types of Pollution | Their Causes and extent of Damage, 9 Different Types of Spectroscopy Techniques & their Uses, 15 Secreting Organs in Human Body | Their ListLocations & Functions, 6 Types of birds | Scientific Classification with Characters & Pictures, 5 Special Sense Organs | Their Location and Functions in the Body, Thallophytes are divided into the 3 classes-. The walls are embedded with silica and thus the walls are indestructible. These male spores develop into the male gametophyte which is contained within the Sporangia. White spots seen on mustard leaves are due to a parasitic fungus. In gymnosperms, the ovules are naked and are not enclosed within any ovary wall at any point in time. These pollen tubes carrying the male gametes grow towards archegonia in the ovules and contents are discharged at the mouth of the archegonia. At that time any living organism with a cell wall was classified under Plantae. Like the Animal Kingdom, the Plant Kingdom is also a major part of the Linnaean system of classification that includes organisms like trees, bushes and grasses. At present, the biological classification includes: Your email address will not be published. On … They are the most abundant micro-organisms and live in extreme habitats. The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships [evolutionary development and diversification of a species]. King David Came Over For George’s Sword. Eichler divided plant kingdom in A. Contain chlorophyll and carry out photosynthesis2. Interestingly, the pigments of euglenoids are identical to those present in higher plants. 2. They have cell-walls made of a tough complex sugar called. Your email address will not be published. The male gametophyte is called a pollen grain. In some fungi the fusion of two haploid cells immediately results in diploid cells (2n). prothallus. Classification of Plant Kingdom H. The Hierarchy of Classification Groups. Biological classification of plants and animals was first proposed by Aristotle on the basis of simple morphological characters. The pollen grain released from the microsporangium enters the opening of the ovules on megasporophylls. 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