Shadowing Practice: What is Biodiversity? - Learn English Speaking with Video
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.






























