UNIT 1 AND 2. A VIDEO TO REVISE


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UNIT 1. ACTIVITIES. PARTS AND FUNCTIONS OF A PLANT

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COMPREHENSION EXERCISES AND DEFINITIONS A.-Answer these questions: 1) What are the two main organ systems of a plant? 2) What happens when we prune the roots or the stem of a plant?   3) What are the two main functions of the roots? 4) How many types of roots can you name? 5) How many parts are stems divided into? Can you name them? 6) What are the two main functions of the stem? 7) Why do some plants have thorns? 8) What is the main function of the leaves? 9) Can you name the three parts of a typical leaf? 10) Why are veins important in a leaf? 11) What are the names of the male and female organs in a flower? 12) How can you define the fruit? 13) What do we call the fleshy part of the fruit? What do we call the peel? 14) How can you define the seed? B.-QUIZ https://www.proprofs.com/quiz-school/story.php?title=parts-plants-their-functions C.-TRUE OR FALSE. CORRECT THE FALSE STATEMENTS: 1.-Pruning a plant or cutting off flowers causes a...
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0. THE STORY BEHIND YOUR NAME

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  HOMEWORK Do you know the reason why your name is your name? Is there a story behind it? Did your parents almost name you something else? Do you know where your name comes from? What does you name mean in that language? Please, add a comment and share all this information with your classmates.
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0. DO TREES COMMUNICATE WITH EACH OTHER?

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Research and add a comment. Big old trees - dubbed 'mother trees' - are hubs in a mycorrhizal fungal network (Source: Smileus/iStockphoto) Surprisingly, the answer is yes. They might seem like the strong, tall and silent type, but trees actually communicate with each other. Forest ecologist Dr Suzanne Simard, from the University of British Colombia , studies a type of fungi that forms underground communication networks between trees in North American forests. Big old trees — dubbed 'mother trees' — are hubs in this mycorrhizal fungal network, playing a key role in supporting other trees in the forest, especially their offspring. "If you're a mother and you have children, you recognise your children and you treat them in certain ways. We're finding that trees will do the same thing. They'll adjust their competitive behaviour to make room for their own kin and they send those signals through mycorrhizal networks," says Simard....
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