Pratique du Shadowing: IELTS listening practice Part 4 - Leatherback turtle (answer & transcript) - Apprendre l'anglais à l'oral avec la vidéo
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secreture called leatherback turtle.
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Janet O 'Vanakin of Florida Atlantic University has shown that they are the voltages of the leatherback's streamlined shape.
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Swimming leatherback turtles have a lower drag, more efficient than other species indicating more efficient force.
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To swim at the same distance to other sea turtles of the comparable size and weight, leatherback turtles spend on average 20 % less energy.
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Among all the deep diving animals, the champions have always been assumed to be the marine mammals, the great whales and airless seals.
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Our recent investigations, however, suggest that leatherback sea turtles may also be ranked among the ocean's greatest air -breathing dive reptiles.
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While mirroring the dives of the leatherback sea turtles near St. Crocs, In the U .S.
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Virgin Islands, scientists recorded a 650 pounds female ascended to more than 3 ,000 330 feet and remained there for 37 minutes.
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High pressure also poses a challenge to the deep diver in terms of strong forces that could compress the chest.
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causing broken bones or tissue damage.
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Unlike its hard -shelled relatives, Leatherbugs has a softer shell made up from widely separated ribs embedded in thick tissue.
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and whole structure is overlaid with a leathery skin.
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How do the deep diving animals, whales, seals, penguins, and leatherback turtles avoid decompression, sickness, and other hazards while they dive to the great depths,
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even sleep for a long period of time?
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Many of the deepest diving marine mammals have a small lungs
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and falsely exhale before diving in addition to reducing the balance so that they can dive more easily.
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This severely limits the amount of nitrogen in their bloodstream.
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One reason the leatherback ranges so far may be to specialise the diet
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This giant of the sea feeds mainly on jellyfish full of high protein
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and other useful minerals that are required during the day.
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Although the variety of jellyfish and related prey are abundant, They are eaten by few other animals.
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As one might suspect, a lifespan eating mostly jellyfish requires some special adaptions to make the job easier.
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During the 1984 and 1985 nesting seasons, With the assistance of scientists, attach the recorders to 10 female leather bags that just laid eggs.
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As a result, we are able to monitor the pattern of migration in Atlantic Ocean, when they return to the sea.
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Some of the longest travel recorded for many animals have been made by this marine turtle.
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In 1970, a female leatherback was tagged when she nested in Surami on the northeastern coast of South America.
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Less than one year later, she was captured off the coast of Ghana, West Africa, having traveled 3 ,700 miles across the Atlantic Ocean.
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Upon returning to the surface, the turtles change a quick breath and immediately hanging the street down again.
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Little or no time was given to sleep or rest.
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We then begin to track and tag the turtles when they swim back to the surface.
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On closer examination, we notice the difference in dives depending on the time of the day.
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Night dives were shallower with less in depth than day dives.
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Leatherbacks are such swimmers that they rarely stop moving a behavior that has made it impossible to keep them in captivity.
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The front flippers and more than half the lens of Ditto's body and the generated power from huge muscles.
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which can account for 30 % of the animal's total body weight.
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Since leather bags cannot easily be studied in captivity, researchers have been developing methods of studying them at sea.
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They use the recorder, an instrument capable of recording location and the depths in C.
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developed by Gerard Kuhlman of Psychological Research Laboratory.
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The device has been used to study diving marine animals.
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Why they keep diving, scientists soon realized that the turtles were probably costing much of the energy to follow their food source.
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In tropical waters, jellyfish are most common at great depths in a biological zone called the deep scattering layer.
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Discovered shortly after development of the sonar,
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This zone consists of a layer of zooplankton below 1 ,800 feet during the day and migrates to the surface at night.
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Context & Background
The transcript from the YouTube video provides an engaging discussion about the unique characteristics and behaviors of the leatherback turtle. Highlighting research conducted by Janet O'Vanakin from Florida Atlantic University, the video elaborates on the turtle's efficient swimming techniques, its impressive diving abilities, and its specialized diet primarily consisting of jellyfish. Such insights not only enrich our understanding of these remarkable marine animals but also serve as valuable material for English learners looking to enhance their vocabulary and listening comprehension in an engaging context.
Top 5 Phrases for Daily Communication
- Efficient force: Understanding this term helps in discussing energy and movement.
- Deep diving animals: A useful phrase when describing animals that frequently dive underwater.
- Monitor the pattern: This phrase is essential when talking about tracking information or behavior.
- Able to record: This is helpful in contexts involving technology or research processes.
- Specialized diet: This phrase can be used in discussions about nutrition or feeding habits.
Step-by-step Shadowing Guide
To effectively tackle the content from this video and enhance your English skills, follow this structured shadowing guide. Utilizing techniques like shadowspeak and shadow speech will significantly enhance your speaking abilities and listening comprehension.
- Watch the video without sound: Familiarize yourself with the visual content first. Pay attention to the speaker’s mouth movements and gestures.
- Listen attentively: Play the video while following along with the transcript. Note any words or phrases you find difficult.
- Pause and repeat: After each sentence, pause the video and repeat what you heard. This will help you mimic the speaker's pronunciation and intonation.
- Use a shadowing app: Consider employing a shadowing app for enhanced practice. These can help track your progress and provide instant feedback on your pronunciation.
- Record yourself: To assess your improvement, record your own voice as you repeat phrases. Compare your pronunciation to that of the original speaker.
By employing these targeted strategies, learners can significantly improve their speaking skills in preparation for the IELTS speaking practice, while also gaining insights into fascinating subjects like marine biology through engaging resources, such as learn English with YouTube.
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.