This IELTS Listening Part 4 is about research into microscopic animals called tardigrades or ‘water bears’. The speaker explains their extreme survival abilities - a topic that we covered in the previous Reading Podcast (&#39;The secret of staying young&#39;).This is an essential topic in IELTS, so don&#39;t miss this chance to review the vocabulary related to ageing and longevity.You&#39;ll also pick up lots of tips related to gapfill questions.Get the full lesson on my website:https://ieltsetc.com/2026/01/ielts-vocabulary-topic-ageing/#ielts #ieltslisteningUseful Vocabulary<ul><li>conservation status 🌍 - the level of protection or risk faced by a species</li><li>decade 🗓️ - a period of ten years</li><li>endangered ⚠️ - at risk of disappearing completely</li><li>extinction ☄️ - the total disappearance of a species</li><li>habitat 🌿 - the natural place where an animal or plant lives</li><li>invertebrate 🦐 - an animal without a backbone</li><li>metabolism ⚙️ - the chemical processes that keep an organism alive</li><li>microscopic 🔬 - so small it can only be seen with a microscope</li><li>species 🧬 - a group of similar organisms that can reproduce</li><li>thriving 🌟 - growing well and surviving successfully</li></ul>

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