Answer Sexual reproduction is a process which involves production of seeds It requires two parents Most plants reproduce sexually with the help of flowers The main function of a flower is to reproduce and therefore develop new seeds that can grow into new plantsWhat are some examples of asexual plants?Nov 03, 13 · Produce pollens "Yellow powder" Produce "make" the seeds when the pollens are carried by the wind and land on the female cone 9 THE FLOWER The flower is the part of the plant which is responsible for reproduction
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How does a seed reproduce
How does a seed reproduce-For example, kauri seed must be sown immediately once it has ripened Some plants don't produce seeds, such as most varieties of banana New plants may take a long time to reach maturity (adulthood) when grown from seed, for example, rhododendron The variation in the plants produced by seed might make it difficult to grow a uniform crop to sellCan dormant seeds be stored longer than nondormant ones?
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This video is made for the students to learn easily the examples of types of seeds ie albuminous and non albuminous seedsPlease do like share and subscribeReproductive Phase Grasses may reproduce sexually by seed (sexual reproduction), or asexually via vegetative propogation (tillers which arise from adventitious buds on culm nodes, rhizomes, and stolons) This section deals only with sexual reproduction involving flowers, pollination, and seedsMay 16, 17 · They are an important development in higher plants in order to make the reproduction successful Angiosperms' seed contains three constituents a seed coat, an embryo, and an endosperm The embryo sac of angiosperms undergoes double fertilization, simultaneously developing an embryo and an endosperm
Jul 03, 19 · Many sporozoans can alternate between sexual and asexual reproduction in their life cycles Toxoplasma gondii is an examples of a sporozoan that infects mammals, particularly cats, and can be transmitted to humans by animals T gondii causes the disease toxoplasmosis which can result in brain diseases and miscarriages in pregnant women Toxoplasmosis is commonlyNov 08, 19 · Vegetative propagation or vegetative reproduction is the growth and development of a plant by asexual means This development occurs through the fragmentation and regeneration of specialized vegetative plant parts Many plants that reproduce asexually are also capable of sexual propagation(2) the megasporangium, unlike that of heterosporous seedless plants, is covered by one or two cellular layers called integuments and is termed an ovule;
A number of parts of the reproductive process are common to both angiosperms and gymnosperms (1) they produce seeds at maturity;Apr 25, 13 · Seed food reserves are stored outside the embryo, and the cotyledons serve as conduits to transmit the brokendown food reserves to the developing embryo The seed consists of a toughened layer of integuments forming the coat, the endosperm with food reserves and, at the center, the wellprotected embryoBut Sometimes no, for a seedlot that contains rotting pieces of fruit will probably go mouldy and the seeds die (See B 30–34 for more information on seed handling)
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With seeds, all plants, considered spermatophytes, are spread and propagated Inside the seed, there is the embryo from which the new plant will come out if all the right conditions are met The function of seeds is to achieve plant germination and make sure it comes out correctlyGive two examples All plants can reproduce through seeds, except for those hybrids/cultivars that are so radically modified that they have lost reproductive function Seedless watermelon and hybrid tea roses would be examples of those that CANNOT reproduce form seed 490 viewsThe phenomenon of Seed Dispersal helps in reproduction in plants But what ex
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Seed 1 Part of the sexual reproduction of angiosperms (flowering plants) and gymnosperms (cone plants) Contains an embryo and its food store, which creates a new plant when conditions are right 2 Offspring or progeny spores Small reproductive structures that can grow into a new individualSeeds generated by apomixis are a means of asexual reproduction, involving the formation and dispersal of seeds that do not originate from the fertilization of the embryos Hawkweed (Hieracium), dandelion (Taraxacum), some Citrus (Citrus) and Kentucky blue grass (Poa pratensis) all use this form of asexual reproductionGymnosperms are any type of vascular plant that reproduce via an exposed seed While most flowering plants, known as angiosperms, have a seed enclosed in an ovary or fruit, gymnosperms (which means "naked seeds") do not have covers on their seeds Some examples of nonflowering plants that are classified as gymnosperms include
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Feb 16, 15 · The pollen tube deposites the sperm cells in the archegonium and fertilization occurs The embryo develops in the ovulate cone and a seed is formed from the mature ovule Seeds contain nutrients that will feed the embryo as it grows and a protective coat Seeds contain the diplod embryo and will grow into the mature sporophyte Examples of MaleMar 13, 18 · The purpose is to make new plants Plants want to spread their seeds to increase reproductive success To do this, plants use seed dispersal, or methods to spread their seeds in a large geographicThe seeds of the orchid plant, dandelions, swan plants, cottonwood tree, hornbeam, ash, cattail, puya, willow herb, are all examples of plants whose seed are dispersed by the wind Seed Dispersal by Water In this method of seed dispersal, seeds float away from their parent plant
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Seeds which have wings and hairy parachutes on them are carried by the wind Eg – sycamore, ash, maple, lime, dandelion and thistle When pods dry, they split open suddenly and shooting the seeds away from the parent plant and this is easy when the wind is there Eg – peas, lupins, laburnum and gorseEver wondered how seeds from one Plant get sown in a different area altogether?Jan 17, · The parent plant produces seeds without fertilization Fragmentation is another form of asexual reproduction It involves new plants growing from small parts of the parent plant that fall to the ground For example, animals or the wind can break stems or leaves off plants
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Sexual reproduction results in offspring genetically different from the parents Asexual offspring are genetically identical except for mutation In higher plants, offspring are packaged in a protective seed, which can be long lived and can disperse the offspring some distance from the parentsReproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents Reproduction is a fundamental feature of all known life;Plants are obtained from seeds
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Other articles where Seed propagation is discussed propagation Sexual propagation With crops that produce seed freely and come true closely enough for the purposes in view, growing from seed usually is the cheapest and most satisfactory method of plant propagation Many types of seeds may be sown in open ground and, barring extremeFor example, runners develop from a strawberry plant's crown As the runner branches laterally, it slowly descends to the soil As a result, it grows a new root and foliage system, referred to asJul 01, 21 · For example, tomato seeds have a minimum germination of 50°F, a maximum of 95°F, and an optimum germination temperature of 80°F When germination temperatures are listed, they are usually optimum temperatures For most plants, 65 to 75°F is best
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Dec 06, 19 · Ans The postfertilisation events in angiosperms include (i)Endosperm and embryo development (ii)Maturation of ovule into seed (iii)Maturation of ovary into fruit 6Some angiosperm seeds are said to be 'albuminous', whereas few others are said to have a perisperm, Explain each with the help of an exampleMar 30, · By Staff Writer Last Updated March 30, Some examples of vegetative propagation are farmers creating repeated crops of apples, corn, mangoes or avocados through asexual plant reproduction rather than planting seeds Vegetative propagation can be accomplished from sideshoots, slips, stems and sections of tubers, bulbs or rhizomesReproduction by seed Usually perennial weeds first infest an area byseed Reproduction by seed is called sexualreproduction It requires the fertilization of anegg by sperm, usually in the form of pollenPollination of the egg in a flower results in seedthat is capable of producing a new plant
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Particularly favorable does reproduction from seed con tribute significantly to maintenance and spread of the species (Andrejak and Barnes 1969, Maini 1974) Therefore, Baker's (1918b) suggestion that sexual reproduction is defective because of failure of seed set or low germinability of seeds was widely accepted forEach individual organism exists as the result of reproductionThere are two forms of reproduction asexual and sexual In asexual reproductionSometimes yes for example a seedlot with hard seed coats will usually keep best if they have not yet been pretreated;
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(3) there is a minute passageway, or micropyle, through the integuments;Mar 10, · Rhizomes grow indefinitely, so they can cover a wide surface Lots of types of grass, reeds and trees like populus and oaks are examples of rhizomes Plant reproduction without seeds is present in mosses and ferns These plants combine sexual and asexual reproduction When the female and male gamete meet, structures are formed called spores(4) the ovule matures as a seed
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The number of offspring or seeds produced at each reproductive cycle by a plant is called clutch size For example, a plant produces 1000 seeds in its one season It is its clutch size Generally plants which large clutch size (produce large number of seeds) produce small seeds or fruits(e) Seed dispersal takes place by means of wind, water and animal Question 2 Describe the different methods of asexual reproduction Give examples Answer 2 The different methods of asexual reproduction Vegetative propagation It is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and budsExample Mango Advantages of Vegetative Propagation It allows quick and easy propagation Plants can bear flowers, fruits earlier than those produced from seeds It is only the possible method of reproduction of such plants which have lost the capacity to produce viable seeds The offspring is an exact copy of the parent Solved Questions For
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The seed contains the embryo covered by the seed coat Cotyledon present in the seed helps in the nourishment of the developing baby plant on germination of the seed Learn more about Vegetative Propagation here Questions For You Q1 Which of the following statements is/are true for sexual reproduction in plants?The lush palms on tropical shorelines do not depend upon water for the dispersal of their pollen, fertilization, or the survival of the zygote, unlike mosses, liverworts, and ferns of the terrain Seed plants, such as palms, have broken free from the need to rely on water for their reproductive needsMar 01, 16 · This is an example of sexual reproduction However, this is not the only way to propagate a plant Other ways do not involve seeds and utilize asexual reproduction instead
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An totally asexual plant is a sterile hybrid which cannot produce viable seeds, but which propagates asexually by runners (strawberries), cuttings, bulb division, tubers, or grafting Many fruit trees areApr 03, 11 · Seed Formation If all the endosperm is absorbed by the developing embryo the seed is a non endospermic seed eg broad bean 43 Seed Formation If all the endosperm is not absorbed by the developing embryo the seed is an endospermic seed eg MaizeExamples of seed dispersal by wind;
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Sexual reproduction in plants takes place in flowers The complete flower typically consists of four parts Petals Sepals Stamen (male reproductive part) Pistil/Carpel (female reproductive part) Stamen (male reproductive part) consists of anther and filament The anther is a saclike structure that produces and stores pollen
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