Why pollen grains are well preserved as fossils? 16.Draw a labeled diagram of the L.S. of embryo of grasses. How does it differ from that of bean? 17.Explain with the help of a diagram the development of a mature embryo sac from megaspore mother cell in angiosperm. 18.Draw a labeled diagram of an anther lobe at microspore mother cell stage. Mention the role of different wall layers of anther. 19.Give reason: Cells of tapetum have dense cytoplasm. 20.Pistil of a flower does not accept pollen from
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flower. a. Pollen b. stamen c. ovary 3. The stamens have pollen in their anthers which contains the ______. a. Ovules .b. egg cells c. sperm cells 4. ______ is found at the tip of the pistil a. Ovary b. stamen c. style 5. The ______ is the long stem at the pistil. a. Stamen b. ovary c. style 6. Pollination makes _____ in plants possible. a. Sexual reproduction b. asexual reproduction c. photosynthesis 7. The transfer of _____ is called pollination. a. Sperm cells b. pollen from the
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Flower Flower is abeautiful things for me.I like it so much.Ilike to give all person that.I love them flowers to exepres my love and recpect for them.We can see the flower in many places such us:garden house and farms.It have amany beautiful colours like:red‚light pink and dark pink‚yellow and white.for me I like the red flower becous it meems the love.Know I wont to give my teacher this flower to exepres my love and recpect for her. Information about flowers Municipal offline Avatar municipal
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In biology species can become isolated from other species through a number of processes. These isolation processes keep the two species from interbreeding and producing hybrid offspring. There are five separate isolation processes that prevent two species capable of producing offspring from being able to do so. Ecological Isolation Ecological‚ or habitat‚ isolation is when two species that could interbreed do not because the species live in different areas. For example‚ in the wild of India both
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Green Culture Singapore Feature Article for August 2007 Published online 1 September 2007 Text & Pictures by Ian Chung • Edited by Lynnette Terh The Putrajaya Flower and Garden Festival is Malaysia’s largest Flower and Garden Festival to date. The venue for this event is at Lakefront Precinct 2‚ Putrajaya in Kuala Lumpur‚ Malaysia‚ from 25 August to 2 Septemer 2007‚ and is held in conjunction with Malaysia’s 50th National Day Celebration and alongside the 44th International Federation of Landscape
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to form _____________. Correct B ) endosperm he process by which one of the two sperm nuclei fuses with the egg nucleus to produce a diploid zygote and the other fuses with the polar nuclei to produce a triploid endosperm the transfer of pollen grains from an anther to the stigma of the same flower or to the stigma of another flower on the same plant For questions 1 and 2 please refer to lesson 7 activity 16‚ “Life Cycle of an Angiosperm”‚ and use the websites
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Monteverde is located in Puntarenas‚ Costa Rica‚ an approximately four-hour journey from the Central Valley. Costa Rica is known for its diverse variety of flora and fauna. Among them‚ Orchids are one of the main attraction. The majority of orchids in Costa Rica are found in Monteverde Orchid Gardens. The Garden alone accommodates over 500 species of orchids from a wide range of color and shape. Monsoon is said to be the best season of the year for orchids. A countless number of tourists and naturalists
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1. Why has Calyx & Corolla been successful? Calyx & Corolla has been successful because of the following point. Firstly‚ Calyx & Corolla has a very simplified supply chain. They deliver flowers directly from growers to customers so that the plants are fresher and also able to decrease the costs. Secondly‚ Calyx & Corolla accurately position themselves and send catalogues to people who are likely to buy flowers. It’s an efficient way to market without a large amount of cost. Thirdly‚ Calyx & Corolla
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Fruit Fly Lab Alycia Fletcher Biology IB HL March 25th 2010 Fruit Fly Lab Introduction Genes can either be sex-linked or autosomal. If a gene appears mostly in one sex chances are the gene is sex-linked and if it appears frequently in both sexes it is most likely autosomal. Using Drosophila melanogaster‚ also known as the fruit fly‚ we will determine whether the gene is sex-linked or autosomal. Drosophila melanogasters have a relatively short life span and are an excellent organism
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Situation Overview: Calyx Flowers‚ a subsidiary of the Vermont Teddy Bear Company has struggled reaching its full potential despite gross margins of 50%. To improve financial performance of Calyx Flowers‚ the Marketing team has identified three action plans. 1. Increase the number of catalogs 2. Increase Mass Media Advertising 3. Increase Internet Advertising Action Overview: To solve the above problem the company should implement the strategy of “Increase in Mass Media Advertising”
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