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Chapter 4 : Grouping and identifying organism

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    Science Y7
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  • What is mean by respiration?
    Process of turning food into energy. Food is broken down inside cells to provide energy.
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  • Respiration by plants is called .......?
    photosynthesis
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  • What is the chemical produced by human/animal in respiration?
    Carbon dioxide
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  • What is the chemical produced by plants in respiration?
    oxygen
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  • Define sensitivity.
    Respond and reaction of plants and animals to the changes in environment.
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  • Which of these is not a characteristic of living things? A. The ability to move from one place to another. B. The ability to think. C. The ability to reproduce. D. The ability to respond to the environment.
    B. The ability to think.
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  • Define excretion.
    Process of getting rid of waste
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  • Give three types of excretes that plants and animals release.
    Sweat, poop, urine, carbon dioxide, oxygen
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  • Name the microscope we use to see virus.
    electron microscope
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  • state the 5 steps of virus replication.
    1. attach 2.invade 3.replicate 4.assemble 5.release
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  • what is a species?
    Species is a same group of living organisms that share the same characteristics and can reproduce together.
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  • what is a virus?
    very small organisms that are infectious.
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  • Give three examples of viruses that you know.
    Covid-19, rota virus, rabies virus, HIV virus, bateriophage, ebola virus, influenza etc.
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  • True or False: Virus is a living organism. Give your reason.
    True- because viruses can replicate themselves. False-Viruses cannot grow, move, excrete etc
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  • True or false: Two different species can reproduce together can produce fertile offspring.
    False- two different species will produce infertile of spring.
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  • What is mean by fertile and infertile?
    Fertile- can reproduce offspring. Infertile- cannot reproduce offspring.
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