Pratique du Shadowing: Adaptations In Plants | What Is ADAPTATION? | The Dr Binocs Show | Peekaboo Kidz - Apprendre l'anglais à l'oral avec la vidéo
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Oh, Little Kitty, it's surprising to see you gardening today.
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But I fear that the change in this flower's habitat might not work when it comes to its adaptation.
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Adaptation?
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Yes, Little Kitty.
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Hey friends, I'm sure you must have heard the term adaptation before
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and wondered what does it mean and how does it help living organisms to survive and thrive.
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So, in today's episode, let us explore this essential surviving topic and answer an interesting academic question.
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What is plant adaptation?
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Zoom in!
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So, what is adaptation in plants?
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As you must have seen, whenever you travel to a different city or country,
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you find it extremely difficult to adjust to it for a while due to changing climate,
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food or water.
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But as time progresses, your body begins to adapt to the new environment that helps you to feel better and settle down.
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So, this process of change by which an organism or species becomes better suited to its environment is called adaptation.
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In other words, adaptations often develop in response to a change in the organism's habitat and the same is the case
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with the plants.
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Let me explain.
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You probably are familiar with the plants in your environment.
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They are everywhere over the land, on top of the mountains and under water.
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But, did you know that those plants are specially designed to live there?
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Yes, a tree that lives in the desert probably wouldn't last in the rain forest
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and a tall tree can't survive in grasslands.
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The reason plants are able to survive in their environment is because of its adaptations.
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A plant adaptation is a unique feature a plant has
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that allows it to live and grow in its habitat or place that it lives.
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And once you move these trees from their natural habitat, they will often find it hard to survive and eventually die.
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So, now, as you know what plant adaptation means,
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let us briefly look at how these trees have managed to adapt and evolve according to their habitats,
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starting with plant adaptation in deserts.
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As we know, the desert has scarcity of water with dry land.
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Thus, the plants like the thorny cactus and Joshua tree have small
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or no leaves and many spines that help them conserve water.
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These tiny leaves have a thick wax coat that serves to retain water for a long time,
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while the leafless plants like cactus store water in their green stem.
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Also, the roots of these desert plants are near the soil surface
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that help to soak up water before it evaporates in the sky.
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The growth is slow as the plants do not have to make much food.
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Next comes the plant adaptations in the tropical rainforest.
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The tropical rainforest has a unique environment due to its hot climatic condition and heavy rain,
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which can cause problems such as promoting the growth of bacteria and fungi, which could be harmful to plants.
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So, the plants here have drip tips and waxy coverings on leaves to shed the extra water.
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Not only that, but the plants also have prop roots that help support them in the shallow soil.
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And due to the abundant growth of plants, some plants grow on top of one another to reach the sunlight.
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The types of plants we can find in the tropical rainforest like Bromeliads and Lianas.
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Let us move further towards the temperate forest
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which is blessed with trees from small to tall that witnesses four distinct seasons and have a harsh cold season.
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So most big trees here have thick barks to shed them against the chilly winters.
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Also, they have broad leaves that capture a lot of sunlight.
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But these leaves can weigh down the trees in winter.
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Thus, deciduous trees drop their leaves to minimize the water loss in autumn.
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Now that's really smart.
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Some examples of the kind of trees found here are wild flowers,
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oak, ash, maple, etc. Now let us learn about plant adaptation in water.
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You see, things are a bit different in plants that grow into the water.
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We all have seen the leaves are green in color.
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But in water plants, the leaves are greener on the upper side, whereas red in lower portions,
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as the top part is exposed to chlorophyll.
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Also, these plants do not have stems, as they do not require water to be absorbed.
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Some examples of these beautiful plants are water lily and lotus.
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So, in conclusion, adaptation is not an easy process and takes time to develop.
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Also, there are possibilities that the change in these adaptations may prove either favorable or unfavorable
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and might be a matter of life and death for these plants.
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Hence, it is necessary to have a piece of proper knowledge about their existence before planting them,
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so that they could survive for thousands and thousands of years.
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Trivia time!
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Did you know the roots of the mesquite have been measured up to a length of 50 to 80 meters
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and is considered to be the longest among desert plants.
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Another fun fact for you is that the grasslands are also known as prairies
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and have deep roots that help them to survive prairie fires.
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Hope you learned something new in today's episode.
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Until next time, it's me, Dr. Binocs, Zooming Out.
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Ah, never mind.
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Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau A2 s’appuie sur la vidéo « Adaptations In Plants ». Les mots qui reviennent le plus souvent : plant, adaptation, tree, leaves, survive. Cette vidéo contient 73 phrases et 890 mots à répéter en shadowing. La partie parlée dure 7:27. Le locuteur parle à un rythme régulier d’environ 119 mots par minute, confortable pour le shadowing. 82 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
15 mots de la vidéo à retenir, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| adaptation nom | /ˌæd.æpˈteɪ.ʃən/ | adaptation |
| leaf nom | /lif/ | feuille |
| desert nom | /ˈdɛz.ɚt/ | désert |
| tropical adjectif | /ˈtɹɑ.pɪ.kəl/ | tropical |
| thick adjectif | /θɪk/ | épais, gros |
| soil nom | /sɔɪl/ | sol, terre |
| adapt verbe | /əˈdæpt/ | adapter |
| sunlight nom | /ˈsʌnˌlaɪt/ | lumière du soleil |
| prairie nom | /ˈpɹɛə.ɹi/ | prairie |
| organism nom | /ˈɔɹ.ɡəˌnɪz.əm/ | organisme |
| topic nom | /ˈtɑpɪk/ | sujet, thème |
| capture verbe | /ˈkæp.(t)ʃɚ/ | saisir, capturer |
| flower nom | /ˈfloʊɚ/ | fleur |
| whereas | /(h)wɛɹˈæz/ | tandis que, alors que |
| conclusion nom | /kənˈkluːʒən/ | conclusion, fin |
Les verbes à particule que vous entendrez
| Mot | Prononciation | Sens |
|---|---|---|
| settle down verbe | s'installer | |
| weigh down verbe | alourdir | |
| zoom out verbe | /ˌzuːm ˈaʊt/ | dézoomer |
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | is called · is exposed · be absorbed |
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | have managed · have seen · have been measured |
| Possibilité avec « might / may » might/may + verbe — quelque chose de possible mais pas certain | might not work · may prove · might be |
Prononciation à surveiller
Le locuteur utilise 3 contractions et formes réduites, comme can't, I'm, wouldn't. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « th »: thick /θɪk/, thrive /θɹajv/, thorny /ˈθɔɹni/
- Les sons « sh » et « zh »: adaptation /ˌæd.æpˈteɪ.ʃən/, capture /ˈkæp.(t)ʃɚ/, conclusion /kənˈkluːʒən/, harsh /ˈhɑɹʃ/, shallow /ˈʃæloʊ/
- Mots longs — placez bien l’accent: adaptation /ˌæd.æpˈteɪ.ʃən/, organism /ˈɔɹ.ɡəˌnɪz.əm/, favourable /ˈfeɪv(ə)ɹəbəl/, deciduous /dɪˈsɪd͡ʒ.u.əs/, evaporate /ɪˈvæp.ə.ɹeɪt/
Les sons difficiles pour les francophones :
- /h/ — il se souffle, il n’est pas muet: habitat /ˈhæb.ɪ.tæt/, whereas /(h)wɛɹˈæz/, hence /ˈhɛns/, harsh /ˈhɑɹʃ/, harmful /ˈhɑɹmfl̩/
- /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: adjust /əˈd͡ʒʌst/, chili /ˈt͡ʃɪli/, deciduous /dɪˈsɪd͡ʒ.u.əs/, fungi /ˈfund͡ʒi/
- /r/ anglais — langue recourbée, sans frotter la gorge: tropical /ˈtɹɑ.pɪ.kəl/, prairie /ˈpɹɛə.ɹi/, organism /ˈɔɹ.ɡəˌnɪz.əm/, covering /ˈkʌvəɹɪŋ/, whereas /(h)wɛɹˈæz/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme adaptation, leaf, desert.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.