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title: How animals sleep: half-asleep dolphins, standing horses,… — the lesson's questions with trees and pragmatics · Biology
description: The 15 test and exam questions of lesson 390 «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» 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
---

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# How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air

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The 15 questions of lesson 390 «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» of the biology course of Mova's primary school with their options, 80 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/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t1/) — In Ice Age, Sid the sloth is lazy and sleepy. A friend says sloths sleep twenty hours a day. What is right? — right ✓
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t2/) — Count them: a row of 6 ducks sleeps on a log, and the 2 at the ends each keep 1 eye open. How many eyes are open? — wrong ✗
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t3/) — Count them: 3 horses doze, each resting one back hoof lifted off the ground. How many hooves are on the ground? — wrong ✗
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t4/) — In Tom and Jerry, Tom sleeps flat on his back snoring for hours. Which real animal often dozes standing up instead? — right ✓
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t5/) — «my goldfish is dead, it's just hanging there with its eyes open» What is probably happening? — right ✓
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t6/) — What would happen if a giraffe lay down for a long sleep with lions nearby? — wrong ✗
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t7/) — «penguin naps of 4 seconds? that's not proper sleep lol» What is right? — right ✓
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t8/) — «elephants sleep loads, they're huge» What is right? — wrong ✗
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t9/) — Why would a bird sleep less while flying over the sea? — wrong ✗
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t10/) — «koala sleeps all day, lazy git» What is the real reason? — right ✓
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/t11/) — Why do some bats sleep about twenty hours a day? — wrong ✗
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e1/) — Select the response consistent with the established facts concerning the sleep of dolphins. — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e2/) — Ascertain the approximate daily duration of sleep reported for wild elephants in Africa. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e3/) — Identify the principal reason for which the duration of sleep attributed to sloths was formerly overstated. — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air/e4/) — Which of the following statements most accurately characterises the sleep of frigatebirds in flight? — right ✓ · exam

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