Unit 10: Plant kingdom
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Plants are eukaryotic, multicellular organisms that undergo photosynthesis to produce their own food. They reproduce both sexually and asexually and are classified as autotrophs that live in soil and lack mobility. Key parts of plants include vascular bundles, xylem, phloem, as well as reproductive organs that vary between seedless plants like moss and ferns, and seed-bearing plants such as gymnosperms and angiosperms.
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The plant kingdom
The document classifies and describes the main groups within the plant kingdom. It discusses algae, fungi, bryophytes, pteridophytes, gymnosperms, and angiosperms. Angiosperms are divided into monocotyledons and dicotyledons. Key details include that algae are the most important photosynthesizing organisms, fungi absorb nutrients from external sources, bryophytes lack true roots and vascular tissue, ferns reproduce via spores, and angiosperms are the dominant form of plant life and source of food.
Kingdom plantae
Kingdom Plantae is the second largest biological kingdom consisting of over 250,000 species of plants. Plants contain the pigment chlorophyll which allows them to produce food through photosynthesis, making life on Earth possible. Plants can be divided into non-flowering plants including algae, mosses and ferns, and flowering plants including angiosperms like monocots and dicots, and gymnosperms like pine and fir trees. Angiosperms are flowering plants that produce seeds enclosed in fruits, while gymnosperms are coniferous trees that bear naked seeds.
Kingdom Plantae
The document summarizes key information about the Kingdom Plantae. It describes plants as eukaryotic, multicellular, photosynthetic organisms classified into four main groups based on presence of vascular tissue and seeds. Plants are divided into bryophyta (non-vascular), pteridophytae (seedless vascular), angiosperms (flowering) and gymnosperms (non-flowering). Angiosperms are further divided into monocots and dicots. Key characteristics of plants are that they have cell walls, undergo cell division, and obtain energy through photosynthesis.
Kingdom plantae
Kingdom Plantae includes eukaryotic, multicellular organisms that are autotrophic, producing their own food through photosynthesis. They have cell walls made of cellulose and lack mobility. Plants reproduce both sexually through male and female gametes and asexually through structures like spores. They are divided into four main groups - mosses, ferns, gymnosperms and angiosperms - based on the presence of vascular tissue and seeds. Angiosperms make up the majority of plant species and their success is attributed to adaptations like specialized structures for pollination, protected seeds, and fruit aiding in seed dispersal.
Kingdom plantae
The document discusses the classification of plants into two main groups: non-vascular plants (bryophytes) and vascular plants (tracheophytes). It then describes the key characteristics and examples of non-vascular plants like liverworts, hornworts and mosses. For vascular plants, examples given include whisk ferns, club mosses, horsetails, ferns, gymnosperms like ginkgo, gnetums, cycads and conifers, and angiosperms which are divided into monocotyledons and dicotyledons. The artificial system of plant classification is also outlined based on traits like size, water requirements, ability to produce food, habitat and lifespan.
PLANT KINGDOM ( LIVE SCIENCE )
The document discusses the classification of plants into the kingdom Plantae. It describes the five major subgroups within this kingdom: Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. For each subgroup, it provides 1-2 defining characteristics and an example. It also compares the differences between monocots and dicots, as well as between gymnosperms and angiosperms.
5 chap 9 (kingdom plantae) f.sc 1st year biology helping notes
This document provides information about the Kingdom Plantae and several plant families including Fabaceae, Caesalpiniaceae, Solanaceae, and Rosaceae. It includes details about the morphology, anatomy, reproduction, and economic importance of representative plants from each family. Key facts presented include the characteristics of antheridia and archegonia in ferns, ornamental plants in Fabaceae, vegetative structures in Caesalpiniaceae, the flower structure and fruit types of Solanaceae and Rosaceae plants. Major crop plants discussed are potato, tomato, brinjal, and fruits like apple and strawberry.
Kingdom plantae introduction
This document provides information about the kingdom Plantae. It describes the major groups of plants including algae, bryophytes, tracheophytes, gymnosperms and angiosperms. It discusses key plant characteristics like being eukaryotic, undergoing photosynthesis, and having cell walls containing cellulose. It also explains the process of alternation of generations in plants and provides details about plant cells, photosynthesis, and the evolution of plants from single-celled algae to terrestrial plants. Specific sections cover algae characteristics, types of asexual and sexual reproduction in algae, and alternation of generations.
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The plant kingdom
The document classifies and describes the main groups within the plant kingdom. It discusses algae, fungi, bryophytes, pteridophytes, gymnosperms, and angiosperms. Angiosperms are divided into monocotyledons and dicotyledons. Key details include that algae are the most important photosynthesizing organisms, fungi absorb nutrients from external sources, bryophytes lack true roots and vascular tissue, ferns reproduce via spores, and angiosperms are the dominant form of plant life and source of food.
Kingdom plantae
Kingdom Plantae is the second largest biological kingdom consisting of over 250,000 species of plants. Plants contain the pigment chlorophyll which allows them to produce food through photosynthesis, making life on Earth possible. Plants can be divided into non-flowering plants including algae, mosses and ferns, and flowering plants including angiosperms like monocots and dicots, and gymnosperms like pine and fir trees. Angiosperms are flowering plants that produce seeds enclosed in fruits, while gymnosperms are coniferous trees that bear naked seeds.
Kingdom Plantae
The document summarizes key information about the Kingdom Plantae. It describes plants as eukaryotic, multicellular, photosynthetic organisms classified into four main groups based on presence of vascular tissue and seeds. Plants are divided into bryophyta (non-vascular), pteridophytae (seedless vascular), angiosperms (flowering) and gymnosperms (non-flowering). Angiosperms are further divided into monocots and dicots. Key characteristics of plants are that they have cell walls, undergo cell division, and obtain energy through photosynthesis.
Kingdom plantae
Kingdom Plantae includes eukaryotic, multicellular organisms that are autotrophic, producing their own food through photosynthesis. They have cell walls made of cellulose and lack mobility. Plants reproduce both sexually through male and female gametes and asexually through structures like spores. They are divided into four main groups - mosses, ferns, gymnosperms and angiosperms - based on the presence of vascular tissue and seeds. Angiosperms make up the majority of plant species and their success is attributed to adaptations like specialized structures for pollination, protected seeds, and fruit aiding in seed dispersal.
Kingdom plantae
The document discusses the classification of plants into two main groups: non-vascular plants (bryophytes) and vascular plants (tracheophytes). It then describes the key characteristics and examples of non-vascular plants like liverworts, hornworts and mosses. For vascular plants, examples given include whisk ferns, club mosses, horsetails, ferns, gymnosperms like ginkgo, gnetums, cycads and conifers, and angiosperms which are divided into monocotyledons and dicotyledons. The artificial system of plant classification is also outlined based on traits like size, water requirements, ability to produce food, habitat and lifespan.
PLANT KINGDOM ( LIVE SCIENCE )
The document discusses the classification of plants into the kingdom Plantae. It describes the five major subgroups within this kingdom: Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. For each subgroup, it provides 1-2 defining characteristics and an example. It also compares the differences between monocots and dicots, as well as between gymnosperms and angiosperms.
5 chap 9 (kingdom plantae) f.sc 1st year biology helping notes
This document provides information about the Kingdom Plantae and several plant families including Fabaceae, Caesalpiniaceae, Solanaceae, and Rosaceae. It includes details about the morphology, anatomy, reproduction, and economic importance of representative plants from each family. Key facts presented include the characteristics of antheridia and archegonia in ferns, ornamental plants in Fabaceae, vegetative structures in Caesalpiniaceae, the flower structure and fruit types of Solanaceae and Rosaceae plants. Major crop plants discussed are potato, tomato, brinjal, and fruits like apple and strawberry.
Kingdom plantae introduction
This document provides information about the kingdom Plantae. It describes the major groups of plants including algae, bryophytes, tracheophytes, gymnosperms and angiosperms. It discusses key plant characteristics like being eukaryotic, undergoing photosynthesis, and having cell walls containing cellulose. It also explains the process of alternation of generations in plants and provides details about plant cells, photosynthesis, and the evolution of plants from single-celled algae to terrestrial plants. Specific sections cover algae characteristics, types of asexual and sexual reproduction in algae, and alternation of generations.
The Plant Kingdom
1. Plants are multicellular eukaryotic organisms that use photosynthesis to produce their own food. They have tissues and organs like roots, stems and leaves adapted to live on land.
2. Plants are classified into three groups - nonvascular plants (bryophytes), vascular plants without seeds (pteridophytes), and vascular plants with seeds (spermatophytes).
3. Angiosperms are the largest group of spermatophytes and have flowers and fruits containing seeds. They include a wide variety of trees, shrubs and herbs.
Kingdom Plantae
This document provides information on the classification of plants. It discusses the key characteristics of plants, including that they are multicellular organisms that can perform photosynthesis. Plants are classified into two main groups: non-vascular and vascular plants. Non-vascular plants like mosses lack transport tissues, while vascular plants have transport tissues and include seedless plants like ferns as well as seed-producing gymnosperms and angiosperms. The document goes on to describe several phyla of non-vascular and vascular plants.
Plant kingdom
Plants originated from green algae in the oceans and have since colonized all environments on Earth through adaptations. They are divided into two main groups - plants without seeds like mosses and ferns, and plants with seeds including gymnosperms like conifers and angiosperms. Plants are multicellular autotrophs that produce their own food through photosynthesis, where chloroplasts in leaves use chlorophyll, water, carbon dioxide and sunlight to produce oxygen and glucose. Sexual reproduction in seed plants involves pollination transferring pollen between male and female parts, leading to fertilization and seed formation in fruits.
Introduction to-plants-1233859493415311-3
This document discusses plant reproduction and adaptations. It describes how vascular plants evolved adaptations like a waxy cuticle, stomata, and the ability to reproduce using pollen to survive on land. The document outlines the differences between nonvascular plants, seedless vascular plants, gymnosperms, and angiosperms, and it explains the sexual reproduction process in flowering plants including the parts of flowers and the plant life cycle.
The plant kingdom
Plants are classified into kingdoms based on their reproductive characteristics and tissue structure. They can be divided into mosses, ferns and allies, conifers, and flowering plants. Mosses are small non-vascular plants that rely on moisture, while ferns have vascular tissue but reproduce via spores. Conifers were the first to reproduce from seeds but their seeds are not enclosed in an ovary. Flowering plants reproduce from seeds within an ovary and are divided into monocots with parallel veins and dicots with branching veins.
Kingdom plantae
This document summarizes the key plant groups within the kingdom Plantae. It describes the main divisions of cryptogams (non-seed plants) including algae, bryophyta, and pteridophyta. It then summarizes the divisions of phanerogams (seed plants) including gymnosperms and angiosperms. For each group, it highlights their defining characteristics such as reproduction methods, tissue composition, and examples. The document also provides diagrams to illustrate plant life cycles and the alternation of generations exhibited by many plant groups.
Kingdom plantae
Kingdom Plantae includes multicellular, autotrophic organisms that lack mobility. Plants undergo photosynthesis to produce food, have cell walls made of cellulose, and are vital to many other organisms. They are divided into four main groups based on presence of vascular tissue and seeds: non-vascular plants like mosses, seedless vascular plants like ferns, gymnosperms which are non-flowering seed plants, and angiosperms which are flowering plants. Key plant structures include roots, stems, leaves, xylem, phloem, and stomata.
Plants
Plants can be divided into three main groups based on their reproduction methods:
1) Non-seed producing plants like algae, fungi, mosses and ferns reproduce using spores and lack true roots, stems and leaves.
2) Gymnosperms are seed-producing but flowerless plants like conifers that bear cones and have exposed seeds.
3) Angiosperms are flowering plants that have seeds enclosed in fruits; they are divided into monocots and dicots. Monocots have single cotyledons while dicots have two.
Kingdom Plantae
The document discusses the Kingdom Plantae, which classifies plant species based on their similarities and differences. It defines Kingdom Plantae as multicellular, autotrophic eukaryotes that conduct photosynthesis and have organelles. Kingdom Plantae contains about 300,000 species and is important as the food source for other living creatures. It describes the key characteristics of plants classified in this kingdom.
Kingdom plantae
The document provides information on the kingdom Plantae, specifically focusing on algae and bryophytes.
[1] It describes the characteristics of algae, including their sizes, shapes, pigments, food storage, and modes of reproduction. [2] Bryophytes are described as the first land plants and having a thalloid plant body without roots or leaves. They reproduce sexually through gametophytes and sporophytes. [3] Pteridophytes are vascular plants that exhibit alternation of generations between free-living gametophytes and sporophytes.
Plant Diversity Group Project
The document summarizes key aspects of different plant groups:
- Bryophytes are the first plants on land and rely on water for reproduction. They help maintain humidity.
- Ferns are vascular plants that reproduce via spores. They can absorb heavy metals and nitrogen.
- Gymnosperms include conifers and reproduce via wind-dispersed pollen. They provide many ecosystem services.
- Angiosperms are flowering plants that come in monocot and dicot varieties and play a vital role in ecosystems by providing food, oxygen, lumber, and medicine.
The plant kingdom (alage+bryophyta+pteridophyta)
This document describes characteristics of bryophytes and their importance. It discusses:
1. Bryophytes include mosses, liverworts and hornworts which reproduce via alternation of generations between a haploid gametophyte and diploid sporophyte generation.
2. They play important roles through peat formation, use as fuel and horticultural additives, and in providing seed beds, food and shelter.
3. Bryophytes also serve as indicators of environmental conditions like soil pH and acid rain, and have some medicinal uses.
Plants Kingdom
This document discusses the classification of plants. It describes how plants are classified based on their stems, leaves, and uses. Plants can be classified as trees, bushes, or grasses according to their stems. Trees have woody stems and branches that grow from their trunks. Bushes have branches that grow from the ground and are smaller than trees. Grasses have soft, flexible stems. Plants are also classified as deciduous or evergreen based on their leaves. Deciduous plants lose their leaves in autumn while evergreen plants change their leaves gradually. Finally, plants can be classified as ornamental, nutritious, aromatic or other based on their uses.
Plant kingdom
This document provides information on the plant kingdom classification system. It discusses the historical and modern systems of classification for plants. The key types of classification systems discussed are artificial, natural, phylogenetic, and phenetic. The document also covers the main divisions of plants - cryptogams (non-flowering plants) and phanerogams (seed plants). It provides details on algae, bryophytes, and the characteristics and examples of major algal groups.
Presentation of Kingdom Plantae
The document summarizes the characteristics and classification of three divisions of land plants: Bryophyta (mosses), Pteridophyta (ferns), and Spermatophyta (seed plants). Mosses are small, non-vascular plants that play important ecological roles. They are classified into three classes. Ferns are vascular plants with compound leaves that go through four divisions. Seed plants are classified as gymnosperms, which produce naked seeds, and angiosperms, which produce seeds within an enclosure. They are an important source of food, materials, and medicines.
Plant kingdom
1) Plants are multicellular, eukaryotic organisms that have cell walls containing cellulose. They develop from multicellular embryos and are autotrophic, producing their own food through photosynthesis.
2) There are four major groups of plants: bryophytes, seedless vascular plants, gymnosperms, and angiosperms. Angiosperms are the most common and produce seeds inside flowers.
3) Plants go through life cycles that alternate between diploid sporophyte and haploid gametophyte phases. During the gametophyte phase, gametes are produced which fuse during fertilization to form the sporophyte.
Cryptogam
This document discusses cryptogams, which are plants that reproduce via spores rather than seeds. It notes that cryptogams have hidden reproduction due to the lack of seeds. The main groups of cryptogams are described as thallophytes, bryophytes, and pteridophytes. Thallophytes are unicellular plants that reproduce vegetatively or asexually. Bryophytes are non-vascular land plants like mosses that have stems and leaves but no roots. Pteridophytes are the first vascular land plants and have true roots and stems. Examples like moss, fern, and lycopodium are provided and their life cycles and economic importance discussed.
Introduction to Cryptogamic Botany
Organisms with hidden form of reproduction or reproductive structure. This presentation provide a comprehensive knowledge on such organisms thereby aiding to clearly distinguish them from the Phanerogams, which are organisms with and identifiable form of reproduction or their reproductive structures are identifiable.
Affinities of bryophytes with algae and pteridophytes
Bryophytes share several similarities with both algae and pteridophytes. With algae, they have a simple plant body, are autotrophic, have a dominant gametophytic phase, lack roots and vascular tissue, have similar pigments, and have flagellated antherozoids. Bryophytes also resemble algae in producing filamentous protonema and having pyrenoids in their plastids. Bryophytes resemble pteridophytes in being terrestrial, having primitive sporophytes, reproducing sexually through oogamy, having flagellated antherozoids where water is needed for fertilization, retaining the zygote, forming embryos from the zygote,
Plant Kingdom
Plants are divided into two main categories: vascular and non-vascular plants. Vascular plants are further divided into seedless plants like ferns and seed plants like gymnosperms and angiosperms. Gymnosperms produce seeds in cones, while angiosperms produce seeds within fruits. Non-vascular plants like mosses and liverworts have no vascular tissue and reproduce via spores. They alternate between generations that are genetically identical.
The Plant Kingdom
The Plant Kingdom consists of five main groups: Flowering plants, Conifers, Ferns, Mosses, and Lichens. Plants are divided into those without waterproof layers that are limited to damp areas, and those with waterproof cuticles inhabiting a wider range of habitats. The main plant groups include Conifers, Flowering Plants, Ferns, and Mosses.
Unit 5– plant life
El documento proporciona información sobre plantas y árboles. Explica que las plantas producen semillas, son verdes, tienen hojas, raíces, flores y tallos, y fabrican su propia comida. También describe las partes principales de una planta, incluidas las raíces, tallo, hojas y flores. Además, distingue entre árboles, arbustos y hierba, e identifica características como troncos y ramas.
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The Plant Kingdom
1. Plants are multicellular eukaryotic organisms that use photosynthesis to produce their own food. They have tissues and organs like roots, stems and leaves adapted to live on land.
2. Plants are classified into three groups - nonvascular plants (bryophytes), vascular plants without seeds (pteridophytes), and vascular plants with seeds (spermatophytes).
3. Angiosperms are the largest group of spermatophytes and have flowers and fruits containing seeds. They include a wide variety of trees, shrubs and herbs.
Kingdom Plantae
This document provides information on the classification of plants. It discusses the key characteristics of plants, including that they are multicellular organisms that can perform photosynthesis. Plants are classified into two main groups: non-vascular and vascular plants. Non-vascular plants like mosses lack transport tissues, while vascular plants have transport tissues and include seedless plants like ferns as well as seed-producing gymnosperms and angiosperms. The document goes on to describe several phyla of non-vascular and vascular plants.
Plant kingdom
Plants originated from green algae in the oceans and have since colonized all environments on Earth through adaptations. They are divided into two main groups - plants without seeds like mosses and ferns, and plants with seeds including gymnosperms like conifers and angiosperms. Plants are multicellular autotrophs that produce their own food through photosynthesis, where chloroplasts in leaves use chlorophyll, water, carbon dioxide and sunlight to produce oxygen and glucose. Sexual reproduction in seed plants involves pollination transferring pollen between male and female parts, leading to fertilization and seed formation in fruits.
Introduction to-plants-1233859493415311-3
This document discusses plant reproduction and adaptations. It describes how vascular plants evolved adaptations like a waxy cuticle, stomata, and the ability to reproduce using pollen to survive on land. The document outlines the differences between nonvascular plants, seedless vascular plants, gymnosperms, and angiosperms, and it explains the sexual reproduction process in flowering plants including the parts of flowers and the plant life cycle.
The plant kingdom
Plants are classified into kingdoms based on their reproductive characteristics and tissue structure. They can be divided into mosses, ferns and allies, conifers, and flowering plants. Mosses are small non-vascular plants that rely on moisture, while ferns have vascular tissue but reproduce via spores. Conifers were the first to reproduce from seeds but their seeds are not enclosed in an ovary. Flowering plants reproduce from seeds within an ovary and are divided into monocots with parallel veins and dicots with branching veins.
Kingdom plantae
This document summarizes the key plant groups within the kingdom Plantae. It describes the main divisions of cryptogams (non-seed plants) including algae, bryophyta, and pteridophyta. It then summarizes the divisions of phanerogams (seed plants) including gymnosperms and angiosperms. For each group, it highlights their defining characteristics such as reproduction methods, tissue composition, and examples. The document also provides diagrams to illustrate plant life cycles and the alternation of generations exhibited by many plant groups.
Kingdom plantae
Kingdom Plantae includes multicellular, autotrophic organisms that lack mobility. Plants undergo photosynthesis to produce food, have cell walls made of cellulose, and are vital to many other organisms. They are divided into four main groups based on presence of vascular tissue and seeds: non-vascular plants like mosses, seedless vascular plants like ferns, gymnosperms which are non-flowering seed plants, and angiosperms which are flowering plants. Key plant structures include roots, stems, leaves, xylem, phloem, and stomata.
Plants
Plants can be divided into three main groups based on their reproduction methods:
1) Non-seed producing plants like algae, fungi, mosses and ferns reproduce using spores and lack true roots, stems and leaves.
2) Gymnosperms are seed-producing but flowerless plants like conifers that bear cones and have exposed seeds.
3) Angiosperms are flowering plants that have seeds enclosed in fruits; they are divided into monocots and dicots. Monocots have single cotyledons while dicots have two.
Kingdom Plantae
The document discusses the Kingdom Plantae, which classifies plant species based on their similarities and differences. It defines Kingdom Plantae as multicellular, autotrophic eukaryotes that conduct photosynthesis and have organelles. Kingdom Plantae contains about 300,000 species and is important as the food source for other living creatures. It describes the key characteristics of plants classified in this kingdom.
Kingdom plantae
The document provides information on the kingdom Plantae, specifically focusing on algae and bryophytes.
[1] It describes the characteristics of algae, including their sizes, shapes, pigments, food storage, and modes of reproduction. [2] Bryophytes are described as the first land plants and having a thalloid plant body without roots or leaves. They reproduce sexually through gametophytes and sporophytes. [3] Pteridophytes are vascular plants that exhibit alternation of generations between free-living gametophytes and sporophytes.
Plant Diversity Group Project
The document summarizes key aspects of different plant groups:
- Bryophytes are the first plants on land and rely on water for reproduction. They help maintain humidity.
- Ferns are vascular plants that reproduce via spores. They can absorb heavy metals and nitrogen.
- Gymnosperms include conifers and reproduce via wind-dispersed pollen. They provide many ecosystem services.
- Angiosperms are flowering plants that come in monocot and dicot varieties and play a vital role in ecosystems by providing food, oxygen, lumber, and medicine.
The plant kingdom (alage+bryophyta+pteridophyta)
This document describes characteristics of bryophytes and their importance. It discusses:
1. Bryophytes include mosses, liverworts and hornworts which reproduce via alternation of generations between a haploid gametophyte and diploid sporophyte generation.
2. They play important roles through peat formation, use as fuel and horticultural additives, and in providing seed beds, food and shelter.
3. Bryophytes also serve as indicators of environmental conditions like soil pH and acid rain, and have some medicinal uses.
Plants Kingdom
This document discusses the classification of plants. It describes how plants are classified based on their stems, leaves, and uses. Plants can be classified as trees, bushes, or grasses according to their stems. Trees have woody stems and branches that grow from their trunks. Bushes have branches that grow from the ground and are smaller than trees. Grasses have soft, flexible stems. Plants are also classified as deciduous or evergreen based on their leaves. Deciduous plants lose their leaves in autumn while evergreen plants change their leaves gradually. Finally, plants can be classified as ornamental, nutritious, aromatic or other based on their uses.
Plant kingdom
This document provides information on the plant kingdom classification system. It discusses the historical and modern systems of classification for plants. The key types of classification systems discussed are artificial, natural, phylogenetic, and phenetic. The document also covers the main divisions of plants - cryptogams (non-flowering plants) and phanerogams (seed plants). It provides details on algae, bryophytes, and the characteristics and examples of major algal groups.
Presentation of Kingdom Plantae
The document summarizes the characteristics and classification of three divisions of land plants: Bryophyta (mosses), Pteridophyta (ferns), and Spermatophyta (seed plants). Mosses are small, non-vascular plants that play important ecological roles. They are classified into three classes. Ferns are vascular plants with compound leaves that go through four divisions. Seed plants are classified as gymnosperms, which produce naked seeds, and angiosperms, which produce seeds within an enclosure. They are an important source of food, materials, and medicines.
Plant kingdom
1) Plants are multicellular, eukaryotic organisms that have cell walls containing cellulose. They develop from multicellular embryos and are autotrophic, producing their own food through photosynthesis.
2) There are four major groups of plants: bryophytes, seedless vascular plants, gymnosperms, and angiosperms. Angiosperms are the most common and produce seeds inside flowers.
3) Plants go through life cycles that alternate between diploid sporophyte and haploid gametophyte phases. During the gametophyte phase, gametes are produced which fuse during fertilization to form the sporophyte.
Cryptogam
This document discusses cryptogams, which are plants that reproduce via spores rather than seeds. It notes that cryptogams have hidden reproduction due to the lack of seeds. The main groups of cryptogams are described as thallophytes, bryophytes, and pteridophytes. Thallophytes are unicellular plants that reproduce vegetatively or asexually. Bryophytes are non-vascular land plants like mosses that have stems and leaves but no roots. Pteridophytes are the first vascular land plants and have true roots and stems. Examples like moss, fern, and lycopodium are provided and their life cycles and economic importance discussed.
Introduction to Cryptogamic Botany
Organisms with hidden form of reproduction or reproductive structure. This presentation provide a comprehensive knowledge on such organisms thereby aiding to clearly distinguish them from the Phanerogams, which are organisms with and identifiable form of reproduction or their reproductive structures are identifiable.
Affinities of bryophytes with algae and pteridophytes
Bryophytes share several similarities with both algae and pteridophytes. With algae, they have a simple plant body, are autotrophic, have a dominant gametophytic phase, lack roots and vascular tissue, have similar pigments, and have flagellated antherozoids. Bryophytes also resemble algae in producing filamentous protonema and having pyrenoids in their plastids. Bryophytes resemble pteridophytes in being terrestrial, having primitive sporophytes, reproducing sexually through oogamy, having flagellated antherozoids where water is needed for fertilization, retaining the zygote, forming embryos from the zygote,
Plant Kingdom
Plants are divided into two main categories: vascular and non-vascular plants. Vascular plants are further divided into seedless plants like ferns and seed plants like gymnosperms and angiosperms. Gymnosperms produce seeds in cones, while angiosperms produce seeds within fruits. Non-vascular plants like mosses and liverworts have no vascular tissue and reproduce via spores. They alternate between generations that are genetically identical.
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Affinities of bryophytes with algae and pteridophytes
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Unit 5– plant life
El documento proporciona información sobre plantas y árboles. Explica que las plantas producen semillas, son verdes, tienen hojas, raíces, flores y tallos, y fabrican su propia comida. También describe las partes principales de una planta, incluidas las raíces, tallo, hojas y flores. Además, distingue entre árboles, arbustos y hierba, e identifica características como troncos y ramas.
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This document provides an overview of a natural science unit on plants. It will cover how plants reproduce through flowers that have male and female organs and how seeds are formed through pollination. Students will learn to label the parts of plants and flowers, including roots, stems, leaves and flowers. They will also learn what plants need to grow, including water, light, and nutrients. The document outlines class activities for labeling parts of plants and completing sentences about plant needs. It also covers classifying and comparing flowering and non-flowering plants, the process of photosynthesis, plant nutrition, sexual and asexual reproduction in plants.
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The document provides information about Spain and the European Union. It states that Spain is located in Europe and has 17 autonomous communities and 2 autonomous cities. It lists the capitals of the autonomous communities and provinces in Spain. It notes that Mérida is the capital of Extremadura province and that the Roman Theatre there is famous. It also provides population statistics for Spain and the European Union.
The weather
This document discusses weather conditions and the four seasons. It mentions that today's weather could be sunny, rainy, snowy, cloudy, windy or stormy and also lists the four seasons as spring, summer, autumn and winter.
Unit 4 the plant kingdom
The document discusses flowering and non-flowering plants. Flowering plants, like apple and cherry trees, reproduce sexually through flowers and seeds contained in fruits. Non-flowering plants like ferns and mosses reproduce asexually through spores. Gymnosperms are also flowering plants but have small flowers and cones instead of fruits. The document also describes the key parts of plants - roots that take in water and minerals, stems that provide structure and transport nutrients, and leaves that perform photosynthesis to produce food.
Ferns & fern allies
Primitive vascular plants evolved adaptations for life on land including vascular tissue for transport and alternation of generations. They include psilophytes which were the earliest vascular plants with no specialized organs, lycophytes with true roots, stems and scale-like leaves requiring water for reproduction, and sphenophytes with whorled leaves and siliceous stems requiring water for motile sperm. Advanced ferns have well-developed vascular tissue and xylem and phloem, thriving in damp habitats with a dominant sporophyte and inconspicuous gametophyte reproducing via spores in sori on fronds.
Plant APBio
The document summarizes key aspects of the plant kingdom, including their multicellular nature, ability to photosynthesize, and alternation of generations between haploid and diploid forms. It describes the evolution of plants from green algae ancestors and their adaptations to life on land, including roots, vascular tissue, and waxy cuticles. Seed plants evolved pollen, seeds, and fruits to reproduce on land without water, while angiosperms further developed flowers, broad leaves, and fruits to disperse seeds. Plants play a crucial ecological role by producing oxygen and decomposing to form soil.
The plant system
The document discusses the plant system and its main components. It describes how plants have root systems that absorb water and nutrients from the soil. Stems transport water and nutrients between the roots and leaves, and also provide structure and support. Leaves use photosynthesis to produce food for the plant by using energy from sunlight, carbon dioxide from the air, and water from the roots. Flowers produce seeds and fruits protect and disperse the seeds. Photosynthesis overall provides food for plants and oxygen for other living things.
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This document discusses plant reproduction, including asexual and sexual reproduction. It describes the processes of meiosis, gamete formation, fertilization, embryogenesis and seed formation. It discusses pollination methods including biotic and abiotic pollination. Key plant structures are defined, such as flowers, their parts, and fruits. The roles of hormones and environmental factors in flowering are also summarized.
Kingdom protista[1]
Protists are a diverse kingdom of eukaryotic organisms that are not classified as plants, animals, or fungi. They include both single-celled and multicellular organisms, many of which are aquatic. Protists can be categorized as animal-like, plant-like, or fungus-like depending on their characteristics and behaviors. Animal-like protists include those that use pseudopods, cilia, or flagella to move and feed, as well as non-motile sporozoans that are often parasitic. Plant-like protists include unicellular algae that perform photosynthesis and release oxygen into the environment, providing an important food source. Fungus-like protists absorb nutrients
Fungi
Fungi can be unicellular yeasts or filamentous hyphae. Most fungi occur as hyphae that can be septate or coenocytic. Fungi are heterotrophs that can be saprophytes, symbionts, or parasites. They reproduce asexually via spores or sexually. Their vegetative phase is generally sedentary. Major fungal phyla include Zygomycota, Basidiomycota, and Ascomycota.
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Plant organs include roots, stems, and leaves which are composed of tissues and serve specific functions. Roots function to anchor plants, absorb water and minerals, store food, and conduct fluids. Stems provide support, transport water and nutrients, and can store food. Leaves capture sunlight for photosynthesis. Flowers evolve from stems and leaves and produce fruits containing seeds.
Kingdom animalia
Kingdom Animalia consists of multicellular eukaryotes that are heterotrophic. It is divided into vertebrates and invertebrates. Vertebrates include mammals, birds, reptiles, amphibians, and fishes. Mammals are warm-blooded and feed their young with milk, while birds have feathers and wings. Reptiles have scales and are cold-blooded. Amphibians live in water as larvae but live on land as adults. Invertebrates lack backbones and include groups such as arthropods, mollusks, and worms.
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Plants show a diversity of forms and play an important role in our lives. They range from bryophytes, the earliest land plants which lack true vascular tissue, to pteridophytes, gymnosperms, and the most diverse group, angiosperms, which produce flowers and fruits. Each group has characteristics like their reproductive structures and life cycles. Many plants are useful for their interactions with other organisms, and provide benefits like food, medicine, household uses, and helping to remove pollutants from the environment. Proper care is needed to support the happiness that plant diversity brings.
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This document summarizes four major plant communities: bryophytes (mosses), pteridophytes (ferns), gymnosperms (pines), and angiosperms (flowering plants). It outlines key characteristics of each group such as their reproductive structures and life cycles. It also describes some of their interactions with other organisms and important uses. The four plant communities represent major stages in the evolution of plants, from early non-vascular bryophytes to the radiation and dominance of flowering angiosperms.
Classification of living things
Coniferophyta is a division of cone-bearing plants with needle-shaped leaves. Their reproductive structures are cones, with male cones producing pollen and female cones bearing ovules. Angiospermophyta is a division of flowering plants whose reproductive structures are flowers. They are divided into monocotyledons like maize which have one cotyledon, and dicotyledons like beans which have two. Angiosperms show variety in forms and habitats but share structures like sepals, petals, stamens and carpels.
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1) Plants are important as they are the source of all food and oxygen, provide habitats and medicines, store water, and help control climate change.
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1) Plants evolved adaptations that allowed them to thrive on land, such as a cuticle and stomata to retain water and a vascular system to transport resources.
2) Seed plants like angiosperms and gymnosperms reproduce using pollen and seeds, which allowed reproduction without free-standing water.
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Plants have evolved several key adaptations for living on land, including the ability to absorb nutrients from soil, prevent water loss through structures like the cuticle and stomata, and reproduce without water using pollen. Vascular plants have tissues that transport water and developed seeds, flowers, and other structures that make reproduction more efficient. Plants are divided into nonvascular plants like mosses and vascular plants like ferns, gymnosperms, and angiosperms. Angiosperms are the most abundant group and are further divided into monocots and dicots.
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1) Plants reproduce both sexually through flowers, fruits and seeds or asexually through methods like rhizomes, bulbs and cuttings.
2) Flowering plants like angiosperms produce true flowers and seeds inside an ovary, while non-flowering plants like gymnosperms and mosses rely on cones, spores or other structures to reproduce.
3) Pollination is required for seed production, and can occur through insect, wind or water dispersal of pollen between male and female plant structures.
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Backbone - The flexible column formed by vertebrae that provides structural support in vertebrate animals.
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Limbs - Arms, legs, or wings of an animal used for movement or grasping.
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How to Setup Warehouse & Location in Odoo 17 Inventory
How to Setup Warehouse & Location in Odoo 17 Inventory
Unit 10: Plant kingdom
- 2. THE PLANT KINGDOM Plants are eukaryotic multicellular organisms. They make photosynthesis. They are autotrophs. They have sexual and asexual reproduction. They live in the soil and can’t move. They have vascular bundles (except the moss) They have xylem sap and phloem sap.
- 4. CLASSIFICATION OF PLANTS: Plants without seeds: They don’t have flowers. Moss and ferns. Plants with seeds: Gymnosperms . Ex: fir tree Angiosperms. Ex: almond tree
- 5. PARTS OF A MOSS
- 6. PARTS OF A FERN
- 7. Parts of a plant
- 8. ACTIVITIES 1.Copy and complete the following sentence: Plants have___________ nutriticion because they make __________ to produce their own_________. 2. True or false? a)Angiosperms are plants with seed inside the fruit. b)Plants are heterotrophs.