• Notes of Biology
    Q1:Why is reproduction essential for organisms? Reproduction is a fundamental feature of all living organisms. It is a biological process through which living organisms produce offspring’s similar to them. Reproduction ensures the continuance of various species on the Earth. In the absence of reproduction...
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  • Ghjk
    * NCERT 1. Reproduction in Organisms INTRODUCTION Biology in essence is the story of life on earth. While individual organisms die without fail, species continue to live  through millions of years unless threatened by natural or anthropogenic extinction. Reproduction becomes a vital process without...
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  • Green Algae
    Green algae have many similarities to land plants. It has many variety body types and the multicellular forms do not have cells separated into tissues, which is what divides green algae from land plants. Green algae are a very diverse group of freshwater algae. Many green algae form long filaments. The...
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  • Swot Analysis on Apple
    *1.0 What *are *Fung*i? Fungi contain lack of chlorophyll, never from tissues and all parts of the body consist entirely of a system of tubular cells called mycelium. The vegetative part may not be colnspicusous because it grows under the soil surface or inside a host. The fruiting body is the conspicuous...
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  • Grade 11 Biology Exam Review
    evolutionary differences between different species | Capsid | The outer layer of protein that surrounds the genetic material of a virus | Conjugation | A process in which there is a transfer of genetic materials between two cells | Gymnosperm | A group in seed producing vascular plants that produce...
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  • Cell
    Cell Growth and Reproduction Study Guide The Cell Cycle Study Guide Vocabulary – Cell Cycle, Mitosis, Cytokinesis 1. How did the G1 and G2 stages get their names? 2. Cells must pass through a critical checkpoint during which two stages of the cell cycle? 3. Where does DNA synthesis happen...
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  • japneet
    each other. Of the 30 – 100 million possible different species of living things, there are over 1.5 million species of animals and 350.000 species of plants that have been identified by biologists. The most successful life form seems to be the insect. (Grade 7 Review) All living things are made up of...
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  • Puruse
    been placed into a bacterium? What is the process of making an organism with another organism’s DNA included called? 3. Explain the process of gel electrophoresis and the movement of DNA based on size and charge. 4. Explain a genetically modified crop (GMO). What are the benefits? Drawbacks...
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  • Cell
    Cell Reproduction Introduction to Cellular Reproduction This guide is designed to provide you with an overview of the important processes involved in the reproduction of cells. Cellular reproduction is a process by which cells duplicate their contents and then divide to yield two cells with similar...
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  • Reproduction Objectives
    Reproduction Objectives Chapter 12 The Key Roles of Cell Division  1. Explain how cell division functions in reproduction, growth, and repair. Reproduction – enables sexually reproducing organisms to develop from a single cell Repair – allows for replacing of cells that die from normal wear and...
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  • Conditions in which parthenogenesis reproduction in vertebrates is beneficial
    in which parthenogenesis reproduction in vertebrates is beneficial Sexual reproduction is regarded as the most beneficial way to produce a lasting lineage that can adapt to changing environments and evolve to greater complexity. However, some species use asexual reproduction to sustain their population...
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  • Biology Reproduction Research Assignment
    Reproduction Research Assignment Sac 5 PART 1 : Asexual vs. Sexual Reproduction [ 4 marks ] - Discuss the differences between, and the advantages and disadvantages of sexual and asexual reproduction : SEXUAL REPRODUCTION Sexual Reproduction is the formation of a new organism from two parents...
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  • Campbell Biology Chapter
    A) regeneration. B) sexual reproduction. C) spontaneous generation. D) asexual reproduction. 2) Which of the following statements regarding sexual and asexual reproduction is true? A) Only offspring from asexual reproduction inherit traits from two parents. B) Sexual reproduction is more likely to increase...
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  • Biological Diversity Notes
    all are made of cells, need energy to grow and develop, respond to stimulus, show adaptations for survival, multiply by reproduction and die) * Diversity refers to the difference in characteristics or variation among living things * All living organisms show variation within a species and also...
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  • Exam Science
    Excretory D. Reproductive 2. Cancer starts from cells that start to grow uncontrollably fast. They destroy tissues and organs. What does this say about the effects of diseased cells on the higher levels of organization in an organism? A. Cancer involves only certain kinds of...
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  • Cell Cycle
    Biology, 7e (Campbell) Chapter 13: Meiosis and Sexual Life Cycles Chapter Questions 1) What is a genome? A) the complete complement of an organism's genes B) a specific sequence of polypeptides within each cell C) a specialized polymer of four different kinds of monomers D) a specific...
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  • Mitosis Meiosis
    manner. II. Mitosis and Meiosis are both correctly described as nuclear division; they are never correctly called cell division, or any kind of reproduction. It is possible (and often quite normal) for nuclei to divide when cells don't. And organisms reproduce; nuclei and cells divide. III. Mitosis ...
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  • History of Sex
    Main article: Evolution of sexual reproduction It is considered that sexual reproduction in eukaryotes first appeared about a billion years ago and evolved within ancestral single-celled eukaryotes.[2] The reason for the initial evolution of sex, and the reason(s) it has survived to the present, are...
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  • what is sex
    Organisms of many species are specialized into male and female varieties, each known as a sex.[1] Sexual reproduction involves the combining and mixing of genetic traits: specialized cells known as gametes combine to form offspring that inherit traits from each parent. Gametes can be identical in form...
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  • Microbiology
    wall made of peptidoglycan Motility = flagella Nutrition = organic or inorganic – some make their own food Reproduction: Binary fission (DNA duplicated, cell splits in 2) & Asexual reproduction (budding) Types of Microorgs: Archaea Prokaryotic No peptidoglycan in their cell walls Found in extreme...
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