Shadowing Practice: What is Biodiversity? - Learn English Speaking with Video
Creating lesson...
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In science, often when talking about living things and their environments, we hear the term biodiversity, and it's an important concept to understand.
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So, let's take a closer look at what this term means.
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Thank you.
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The word bio comes from the Greek word for life, while diversity means variety.
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So, biodiversity essentially refers to the variety of life.
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It's not just about how many organisms live in an area.
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but about how many different kinds of organisms there are.
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you you For instance, a forest with many kinds of plants,
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such as trees, shrubs, ferns, grasses, and moss, has high biodiversity.
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even if the total number of plants isn't extremely large.
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On the other hand, a field with only one type of grass might have millions of individual plants.
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But its biodiversity is very low because it lacks variety.
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So, biodiversity is all about the variety of life in a particular area.
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And it exists even in small, everyday places like our backyards.
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you you Let's compare two types of home gardens to understand biodiversity in action.
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First, imagine a garden that's mostly a neatly trimmed lawn, with a single type of flowering bush.
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It's tidy and simple but it doesn't offer much variety.
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You might see a few bees buzzing around or the occasional bird stopping by.
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But it's not very biodiverse because it provides limited food and shelter for different species.
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Now, picture a different garden filled with a mix of fruit trees, vegetable plants, flowering shrubs, wildflowers,
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grasses, and even a small pond with scattered water lilies.
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This type of garden teems with life.
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Not just because of the great variety of plants, Thank you but also due to the diversity of animals it supports.
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like bees, Butterflies ladybugs, frogs, dragonflies, fish, and birds.
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Together, the variety of plants and the pond create a rich habitat that supports a wide range of species.
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These two gardens demonstrate how biodiversity works.
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The more variety there is in the environment, the more life it can support.
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Biodiversity is influenced by several factors, including the availability of water,
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sunlight, temperature, shelter, and the overall conditions of an area.
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Plenty of water and sunlight allow plants to thrive, creating food and shelter for a wide variety of animals.
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you.
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Areas with these abundant resources and mild conditions typically support high biodiversity.
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while extreme environments often limit life to specially adapted organisms.
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you For example, Tropical rainforests, with their plentiful sunlight, consistent rainfall,
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and dense vegetation, are among the most biodiverse places on Earth.
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These conditions enable a rich variety of plants to grow, which, in turn, provide food and habitats for countless animals and other organisms.
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Thank you.
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The tropical rainforest supports a vast array of insects and other invertebrates.
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Bye.
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colorful birds, Thank you.
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various amphibians and reptiles, as well as mammals like jaguars, monkeys, and sloths.
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Fungi, such as mushrooms, often grow on the rainforest floor
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recycling the remains of dead plants and animals back into the diverse ecosystem.
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you In contrast, deserts, with their scorching temperatures, scarce water, and limited plant life, support far fewer species.
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you Organisms like camels, snakes,
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lizards and hardy shrubs, are adapted to survive in these harsh conditions.
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But the overall biodiversity remains much lower than in a rainforest.
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you These examples show how environmental factors shape the variety of life in different ecosystems.
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Thank you.
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Finally, let's consider the biodiversity of Antarctica.
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you versus tropical coral reefs.
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Thank you.
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you Antarctica, the driest place on the planet and a land of ice and cold, has tough living conditions.
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you Yet it isn't entirely lifeless.
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fish, penguins, seals, migrating whales, and microscopic plankton make up some of its limited biodiversity.
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you However, when compared to tropical coral reefs, Antarctica's biodiversity is much lower.
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Coral reefs, often called the rainforests of the sea, are among the most biodiverse places on Earth.
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These vibrant underwater ecosystems thrive in warm, shallow waters with abundant sunlight.
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The coral -filled environment creates a wealth of habitats and food sources for countless species.
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including thousands of fish and sharks.
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crustaceans like crabs and lobsters, Thank you.
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octopus and squid, sea turtles, and marine mammals such as dolphins.
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you This rich variety of life makes coral reefs a vital and flourishing part of our planet's marine ecosystems.
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Biodiversity is vital for maintaining healthy ecosystems and a thriving planet.
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By understanding what biodiversity is, What affects it? and appreciating the incredible variety of life in different places.
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we can see why protecting it is essential for the health of all living things.
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Thanks for watching.
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If you enjoyed this learning journey, don't forget to like and subscribe and join us for more adventures into the world around us.
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you you you .
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Vocabulary and speaking notes for this lesson
This B1 speaking lesson is built on the video “What is Biodiversity?”. The speaker keeps coming back to these words: biodiversity, variety, plant, rainforest, ecosystem. This video has 69 sentences and 791 words to shadow. The speech runs for 7:14. The speaker talks slowly, about 109 words per minute, so there is time to copy every sound. Only 74% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| biodiversity noun | /ˌbaɪoʊdəˈvɚsəti/ | The diversity (number and variety of species) of plant and animal life within a region. |
| rainforest noun | /ˈɹeɪn.fɔɹ.ɪst/ | A forest in a climate with high annual rainfall and no dry season. |
| organism noun | /ˈɔɹ.ɡəˌnɪz.əm/ | A discrete and complete living thing, such as animal, plant, fungus or microorganism. |
| ecosystem noun | /ˈikoʊˌsɪstəm/ | A system formed by an ecological community and its environment that functions as a unit. |
| coral noun | /ˈkɔɹəl/ | Any of many species of marine invertebrates in the class Anthozoa, most of which build hard calcium carbonate skeletons and form colonies, or a colony… |
| reef noun | /ɹiːf/ | A chain or range of rocks, sand, or coral lying at or near the surface of the water. |
| sunlight noun | /ˈsʌnˌlaɪt/ | All the electromagnetic radiation given off by the Sun; especially, that in the visible spectrum and that bathes the Earth. |
| tropical adjective | /ˈtɹɑ.pɪ.kəl/ | Of or pertaining to the tropics, the equatorial region between 23 degrees north and 23 degrees south. |
| biodiverse adjective | Biotically diverse; having a high degree of biodiversity. | |
| shrub noun | /ˈʃɹʌb/ | A woody plant smaller than a tree, and usually with several stems from the same base. |
| thrive verb | /θɹajv/ | To grow or increase stature; to grow vigorously or luxuriantly; to enjoy a state of excellent health and well-being; to flourish. |
| habitat noun | /ˈhæb.ɪ.tæt/ | Conditions suitable for an organism or population of organisms to live. |
| shelter noun | /ˈʃɛltə/ | A place where a person or animal may find protection from the elements (especially rain, storms, or cold) sometimes as a place to sleep (such as a cave). |
| mammal noun | /ˈmæməl/ | A vertebrate animal of the class Mammalia, characterized by being warm-blooded, having fur or hair and producing milk with which to feed their young. |
| abundant adjective | /əˈbʌn.dənt/ | Fully sufficient; found in copious supply; in great quantity; overflowing. |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| make up verb | /ˌmeɪk ˈʌp/ | To constitute, to compose. |
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle — the focus is on what happens, not who does it | is influenced · are adapted |
| Superlatives the -est / the most … — the top or bottom of a group | the most biodiverse · the driest |
| Possibility with “might / may” might/may + verb — something that is possible but not certain | might have · might see |
Pronunciation to watch
The speaker uses 4 contractions and reduced forms, such as isn't, doesn't, don't. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: shrub /ˈʃɹʌb/, shelter /ˈʃɛltə/, crustacean /kɹʌsˈteɪʃən/, flourish /ˈflʊ̈ɹ.ɪʃ/, mushroom /ˈmʌʃˌɹuːm/
- Long words — get the stress right: biodiversity /ˌbaɪoʊdəˈvɚsəti/, organism /ˈɔɹ.ɡəˌnɪz.əm/, ecosystem /ˈikoʊˌsɪstəm/, diversity /daɪˈvɜː(ɹ)sɪti/, invertebrate /ɪnˈvəːtɪbrət/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like biodiversity, rainforest, organism.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.