---
title: The garden in winter: bare trees, tracks in the snow and who sleeps… — how Mova does on the tests · Biology
description: Lesson 336 of the biology course of Mova's primary school: 4 of 11 tests right, exam 2 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# The garden in winter: bare trees, tracks in the snow and who sleeps where

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**Tests:** 4 of 11 right · **Exam:** 2 of 4 right · **Kind:** ★★ · **Understood:** 11 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 336 of the biology course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: [the lesson in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/).

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### Test 1 · ★★ · wrong ✗ {#t1}

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«there's prints in the snow, dead straight line, little claws, 4 toes. the cat?» What is right?

- **1.** A pigeon — no support
- **2.** Probably a fox; a cat's print shows no claw marks — **✓ the right answer** · no support
- **3.** A hedgehog walking on tiptoe — no support
- **4.** Definitely the cat, cats always walk in straight lines — **← Mova's choice** · score 3

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 3, the only option with support. Its support: lesson 336, line 7: «A cat print shows four toes and no claw marks, because cats pull their claws in when walking, and it is rounder than a dog's print; dogs and foxes cannot pull…», reached through the option's own match among the sentences about the question's things. What matched: the same action «walk» (+3). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t1/)

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### Test 2 · ★★ · right ✓ {#t2}

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«the pond's frozen, dad's gonna smash it with a hammer for the fish» What is better?

- **1.** Smash it hard and fast — score -2
- **2.** Smash it hard and fast with a hammer, then pour salt in the hole to stop it freezing again — score -2
- **3.** Put salt on the pond — no support
- **4.** Do not smash it; the shock can hurt fish and frogs, a floating ball keeps a hole open — **← Mova's choice** · **✓ the right answer** · score 8

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 8, against -2 for the next best. Its support: lesson 336, line 11: «When a garden pond freezes, frogs may rest in the mud at the bottom; a ball floating on the water keeps a hole open, and the ice must never be smashed with a h…», reached through a sentence linked to the one the question matched. What matched: the same action «keep» (+3); the same doer «ball» (+2); the same property (+2); the same thing acted on «hole» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t2/)

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### Test 3 · ★★ · right ✓ {#t3}

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In a cartoon the squirrel snores in its hole all winter like a bear. What do real squirrels do?

- **1.** Move into houses for the winter — no support
- **2.** Grow a white coat and hide in snow — score 7
- **3.** Sleep without waking until spring, just like bears and hedgehogs — score 7
- **4.** Stay awake, resting on the coldest days and eating buried nuts — **← Mova's choice** · **✓ the right answer** · score 12

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**Why:** It took the question to ask what is done. It chose option 4 with score 12, against 7 for the next best. Its support: lesson 59, line 11: «Squirrels and jays bury acorns and nuts for winter and forget many, which grow into new trees; one jay can bury several thousand acorns in an autumn.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «squirrels» (+5); it fills the role the question asks for (+4); the same action «forget» (+3). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t3/)

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### Test 4 · ★★ · wrong ✗ {#t4}

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«hedgehog's dead, it's cold as anything and barely breathing» What might be true?

- **1.** Hedgehogs die every winter — score -1
- **2.** It may be hibernating; its body cools and its heart slows right down — **✓ the right answer** · score 3
- **3.** It is just pretending for fun — no support
- **4.** It is too hot under all those spines and needs to be put on some ice — **← Mova's choice** · score 4

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 4, against 3 for the next best. Its support: lesson 247, line 16: «Hedgehogs sometimes chew bad-tasting things like toad skin and spread the frothy spit on their spines, called self-anointing, and nobody knows exactly why.», reached through the option's own match among the sentences about the question's things. What matched: the same place «spines» (+4). The right option, 2, scored 3. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t4/)

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### Test 5 · ★★ · wrong ✗ {#t5}

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Why does slowing down the body save energy for a hedgehog?

- **1.** Cold bodies need more food — **← Mova's choice** · score 3
- **2.** A slow heart and cool body burn much less fat — **✓ the right answer** · no support
- **3.** It saves water, not energy — score 1
- **4.** A slow heart makes more fat — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 3, against 1 for the next best. Its support: lesson 236, line 16: «An elephant brain weighs about 5 kilograms, the largest of any land animal, but a big body needs a big brain, so size alone does not show cleverness.», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+2); a different thing acted on (counts against) (+2). Against it: the same doer «big body» (-1). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t5/)

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### Test 6 · ★★ · wrong ✗ {#t6}

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«why bother putting water out, it's freezing, they've got snow» What is true?

- **1.** Birds can only drink warm milk — no support
- **2.** Birds never drink in winter — no support
- **3.** Water is as important as food when everything is frozen — **✓ the right answer** · score 5
- **4.** Snow is better than water for birds, because it melts slowly in the beak — **← Mova's choice** · score 6

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**Why:** It took the question to ask why something happens (its cause). It chose option 4 with score 6, against 5 for the next best. Its support: lesson 294, line 12: «Most adult cats cannot digest milk sugar well and can get an upset tummy; water is the best drink, and shop cat milk has the milk sugar removed.», reached through the option's own match among the sentences about the question's things. What matched: the same property (+3); the same circumstance (+2); the same light verb (be, have, do, get, go) (+1). The right option, 3, scored 5. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t6/)

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### Test 7 · ★★ · right ✓ {#t7}

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«stupid robin singing at 2 in the morning by the streetlamp, shut UP» Why might it sing at night?

- **1.** Robins only sing at night — score 6
- **2.** Robins defend their patch all year and the streetlight confuses day and night — **← Mova's choice** · **✓ the right answer** · score 12
- **3.** It is lost and scared of the dark, so it sings to call its mother to come and find it — score 3
- **4.** It is calling the hedgehog — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 2 with score 12, against 6 for the next best. Its support: lesson 33, line 18: «Most birdsong is sung by males to claim a territory, but European robins of both sexes sing in winter to defend their patch; birds sing loudest at dawn, when t…», reached through the cause of the sentence the question matched. What matched: the same action «defend» (+6); the same thing acted on «patch» (+5); the same doer «european robins» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t7/)

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### Test 8 · ★★ · right ✓ {#t8}

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Why would a robin need a territory in winter?

- **1.** To hide from swallows — score -1
- **2.** To keep a patch with enough food for itself — **← Mova's choice** · **✓ the right answer** · score 5
- **3.** To stop squirrels hibernating — score 1
- **4.** To keep a nest warm for eggs — score 3

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**Why:** It took the question to ask why something happens (its cause). It chose option 2 with score 5, against 3 for the next best. Its support: lesson 216, line 3: «That cheerful robin is also one of the fiercest birds in the garden: its red breast is a warning flag, and it will fight other robins to keep its patch, even s…», reached through the same lesson line as the sentence the question matched. What matched: the same action «keep» (+3); the same doer «robin» (+1); the same thing acted on «patch» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t8/)

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### Test 9 · ★★ · wrong ✗ {#t9}

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Count them: in the snow you find tracks of 1 fox, 2 cats and 3 sparrows. How many feet made them?

- **1.** 9 — **← Mova's choice** · score 3
- **2.** 18 — **✓ the right answer** · score 3
- **3.** 12 — score 3
- **4.** 24 — score 3

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**Why:** It took the question to ask what it is done to. It chose option 1 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 304, line 12: «Ants follow scent trails laid by other ants; a line of ants is made by feet and smell, not by a leader.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «feet» (+2); the same action «make» (+1). The right option, 2, scored 3. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t9/)

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### Test 10 · ★★ · wrong ✗ {#t10}

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Count them: each cat paw print in the snow shows 4 toes. How many toe marks do all 4 paws of one cat leave?

- **1.** 20 — **← Mova's choice** · no support
- **2.** 18 — no support
- **3.** 4 — no support
- **4.** 16 — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t10/)

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### Test 11 · ★★ · wrong ✗ {#t11}

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What would happen to a small bird with no food on a long freezing night?

- **1.** It would grow fatter from the cold — score 3
- **2.** It would fly to Africa at once — score 4
- **3.** Nothing, because small birds need no food at all in winter — **← Mova's choice** · score 6
- **4.** It could lose a lot of weight and might not survive — **✓ the right answer** · score 3

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**Why:** It took the question to ask which statement is true. It chose option 3 with score 6, against 4 for the next best. Its support: lesson 226, line 13: «If you find an injured wild bird, tell an adult who can call a wildlife rescue, because wild animals need special care.», reached through the same lesson line as the sentence the question matched. What matched: the same action «need» (+4); the same thing acted on «special care» (+1); a different doer (counts against) (+1). The right option, 4, scored 3. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/t11/)

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### Exam question 1 · formal language · wrong ✗ {#e1}

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Identify the principal reason for which deciduous trees shed their leaves in advance of winter.

- **1.** The provision of food for animals that hibernate — **← Mova's choice** · no support
- **2.** The concealment of the buds from birds — no support
- **3.** The conservation of water during a period in which the ground is frozen — **✓ the right answer** · no support
- **4.** The reception of a greater quantity of snow upon the branches — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/e1/)

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### Exam question 2 · formal language · right ✓ {#e2}

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Select the response consistent with the established facts concerning the tracks left in snow by a fox.

- **1.** The tracks form a nearly straight line, each displaying four toes and the marks of claws — **← Mova's choice** · **✓ the right answer** · no support
- **2.** The tracks occur in pairs, side by side, as in the case of sparrows and other small hopping birds — no support
- **3.** The tracks display five toes and no marks of claws — no support
- **4.** The tracks are indistinguishable from those of a domestic cat — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Which of the following statements most accurately characterises the physiological state of a hedgehog in hibernation?

- **1.** The rate of the heart is greatly reduced and the body cools nearly to the surrounding temperature — **✓ the right answer** · no support
- **2.** The animal remains fully active beneath the snow — **← Mova's choice** · score 8
- **3.** The body of the animal freezes solid until spring — no support
- **4.** The rate of the heart increases considerably and the body grows warmer than during the summer months — no support

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**Why:** It took the question to ask who or what does it. It chose option 2 with score 8, the only option with support. Its support: lesson 294, line 1: «Nobody really sat down to tame the cat. About 10,000 years ago, when the first farmers in the Middle East stored grain, mice moved in, and wild cats followed t…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same doer «wild cats» (+2); a different action (counts against) (+2). The right option, 1, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/e3/)

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### Exam question 4 · formal language · right ✓ {#e4}

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Ascertain the appropriate method for the maintenance of an opening in the ice of a garden pond.

- **1.** The flotation of a ball upon the water — **← Mova's choice** · **✓ the right answer** · no support
- **2.** The pouring of boiling water onto the ice — no support
- **3.** The application of salt to the surface of the ice — no support
- **4.** The repeated striking of the ice with a hammer — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/336-the-garden-in-winter-bare-trees-tracks-in-the-snow-and-who-sleeps-where/e4/)

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- ← previous: [335. The garden in autumn: colours, conkers, webs and…](https://md.mova.elamur.ai/free/en/school-run/biology/335-the-garden-in-autumn-colours-conkers-webs-and-buried-nuts/)
- next →: [337. The park pond through the year: ducks, coots, sw…](https://md.mova.elamur.ai/free/en/school-run/biology/337-the-park-pond-through-the-year-ducks-coots-swans-dragonflies-and-ice/)
- ↑ back to [Biology](https://md.mova.elamur.ai/free/en/school-run/biology/)