--- title: Vents and trenches: tubeworms, iron snails, the Challenger… — the lesson's questions with trees and pragmatics · Biology description: The 15 test and exam questions of lesson 177 «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» of the biology course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / Vents and trenches: tubeworms, iron sn… # Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight The 15 questions of lesson 177 «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» of the biology course of Mova's primary school with their options, 77 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t1/) — «tubeworms are plants innit, they're red and they grow» What is right? — wrong ✗ · ★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t2/) — «vents r just underwater fire, nothing can live there» What is right? — wrong ✗ · ★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t3/) — «3 yeti crabs on a rock, each has 10 legs counting the claws, how many legs» — wrong ✗ · ★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t4/) — «octopus mum and 2 octopus friends lol, how many arms» — right ✓ · ★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t5/) — What would happen to the tubeworms if a vent stopped pouring out hot chemical water? — wrong ✗ · ★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t6/) — In the cartoon SpongeBob, Bikini Bottom is full of sunlight and seaweed. Which is true of the deepest vents? — right ✓ · ★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t7/) — «mate says an elephant on ur thumb is nothing, the deep is easy» What is right? — wrong ✗ · ★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t8/) — A cartoon fish at the bottom of the Mariana Trench has a hard armoured body. What does the real deepest fish have? — right ✓ · ★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t9/) — «who's the only animal with iron armour, a knight?» — wrong ✗ · ★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t10/) — «we found plastic at the bottom of the deepest trench? no way» What is right? — right ✓ · ★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/t11/) — Why might some scientists think life on Earth started at vents? — wrong ✗ · ★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e1/) — Identify the principal source of energy upon which the communities of hydrothermal vents depend. — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e2/) — Which of the following statements most accurately characterises the giant tubeworm? — right ✓ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e3/) — State the depth of the Challenger Deep and the year in which it was first attained by human beings. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e4/) — Ascertain the reason for which the Mariana snailfish withstands the pressure prevailing at its depth. — wrong ✗ · exam - ← previous: [176. The deep dark: anglerfish, giant squid, blobfish…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/176-the-deep-dark-anglerfish-giant-squid-blobfish-and-whale-falls/) - next →: [178. Mangroves: trees in salt water, mudskippers, arc…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/)