What a habitat is: home, food, shelter and fitting in
Tests: 4 of 12 right · Exam: 2 of 4 right · Kind: plain · Understood: 8 of 16 · Run: 2026-10-18, commit f3c23ea72
Lesson 1 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.
Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.
Test 1 · right ✓
«lol tom and jerry, mice live for cheese right» What is right?
- 1. No, house mice mainly eat seeds, grain and crumbs, though they will nibble cheese — ← Mova's choice · ✓ the right answer · score 12
- 2. No, mice only eat meat — score 6
- 3. Yes, mice cannot live without cheese — score 6
- 4. Yes, cheese is the main food of every mouse — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 12, against 6 for the next best. Its support: lesson 1, line 5: «In Tom and Jerry, Jerry lives in a hole in the wall and dreams of cheese; real house mice do live in the gaps of our houses, but they would much rather eat see…», reached through the remembered sentence the question matched. What matched: the same action «eat» (+4); the same doer «mice» (+4); the same thing acted on «seeds» (+4). · the question and its options parsed, with trees and pragmatics
Test 2 · wrong ✗
Ellie swaps the plants in the garden centre: the cactus into the pond, the water lily into a pot of dry sand. What happens?
- 1. Both grow better, because they get a change of home — ← Mova's choice · no support
- 2. Both slowly change into the other kind of plant over a few weeks — no support
- 3. Only the water lily dies — no support
- 4. Both die: the cactus rots and the water lily shrivels — ✓ the right answer · no support
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
Test 3 · wrong ✗
«found a woodlouse, gonna keep it in a jar on the windowsill in the sun» What is the best advice?
- 1. Put it in a dry jar so it does not drown in the damp — ← Mova's choice · no support
- 2. Give it a dish of cheese and nothing else — no support
- 3. Give it damp soil, leaves and shade, or it will dry out and die — ✓ the right answer · no support
- 4. Sun is fine, it is an insect and likes heat — no support
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
Test 4 · right ✓
«my nan says goldfish forget everything in 3 seconds so they never get bored» What is right?
- 1. Wrong: goldfish remember feeding times and tricks for months — ← Mova's choice · ✓ the right answer · score 8
- 2. Wrong: they remember for exactly three minutes — no support
- 3. Right: three seconds is all they remember — no support
- 4. Right, and that is why they do not need a filter or anything to do — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 8, the only option with support. Its support: lesson 1, line 10: «The idea that goldfish remember things for only 3 seconds is a myth: experiments show they remember feeding times and tricks for months.», reached through the remembered sentence the question matched. What matched: the same action «remember» (+4); the same doer «goldfish» (+4). · the question and its options parsed, with trees and pragmatics
Test 5 · wrong ✗
What would happen to hermit crabs if people took every empty shell home from the beach?
- 1. Hermit crabs would grow their own shells — ← Mova's choice · score 6
- 2. Nothing, they live happily without shells — score 0
- 3. Crabs would have nowhere safe to grow into, and many would be eaten — ✓ the right answer · score 4
- 4. They would move into sand holes instead with no trouble at all, and be just as safe — score 2
Why: It took the question to ask what happens next. It chose option 1 with score 6, against 4 for the next best. Its support: lesson 1, line 9: «A hermit crab protects its soft, curled body inside an empty sea snail shell and moves into a bigger shell as it grows; crabs sometimes line up by size and swa…», reached through what followed the sentence the question matched. What matched: the same doer «crabs» (+4); the same thing acted on «shells» (+4). Against it: a different action (counts against) (-2). The right option, 3, scored 4. · the question and its options parsed, with trees and pragmatics
Test 6 · wrong ✗
Dad wants to tidy all the dead wood out of the nature reserve. What is the best answer?
- 1. Good idea, dead wood has nothing living in it — ← Mova's choice · no support
- 2. It is a home for hundreds of species, so it is better left lying — ✓ the right answer · no support
- 3. It does not matter, nothing uses dead logs — no support
- 4. Good idea, it makes the forest grow faster and keeps the trees healthy — no support
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
Test 7 · wrong ✗
«sod it, mate says a city's not a real habitat, only wild places count» What is right?
- 1. He's right, animals only live in wild places — ← Mova's choice · score 3
- 2. A city is a habitat too: foxes, pigeons and mice find food and shelter there — ✓ the right answer · no support
- 3. A city counts only for insects — no support
- 4. He's right, city animals are all pets that escaped from their homes long ago — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 3, the only option with support. Its support: lesson 1, line 7: «Woodlice live in dark, damp places because they are crustaceans, cousins of crabs, with 14 legs (insects such as beetles have 6) and gill-like breathing parts…», reached through the same lesson line as the sentence the question matched. What matched: the same action «live» (+2); the same place «dark damp places» (+2). Against it: a different doer (counts against) (-1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 8 · right ✓
«we forgot loads of acorns lol, squirrels must be well thick» What is the clever answer?
- 1. Squirrels bury acorns only to grow trees on purpose, like careful gardeners do — score 10
- 2. Squirrels never forget a single nut — score 0
- 3. Forgotten acorns grow into new oaks, so squirrels help plant their own woods — ← Mova's choice · ✓ the right answer · score 12
- 4. Forgotten acorns are always eaten by worms — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 12, against 10 for the next best. Its support: lesson 1, line 11: «Grey squirrels bury thousands of nuts in autumn to eat in winter, and forgotten acorns can grow into new oak trees, so squirrels help plant their own woods.», reached through the remembered sentence the question matched. What matched: the same action «help» (+4); the same doer «squirrels» (+4); its «because» matches the remembered cause (+4). · the question and its options parsed, with trees and pragmatics
Test 9 · wrong ✗
«the school pond's getting filled in for car parking, who cares» What is the best answer?
- 1. Frogs only need ponds when they are old — score 6
- 2. Tadpoles can live in puddles on the car park until they grow up — ← Mova's choice · score 7
- 3. Nothing changes, frogs can lay eggs on grass — score 3
- 4. The frogs lose the water they need for eggs and tadpoles — ✓ the right answer · score 6
Why: It took the question to ask who or what does it. It chose option 2 with score 7, against 6 for the next best. Its support: lesson 1, line 17: «A frog needs two habitats: its tadpoles live in water and breathe with gills, while adult frogs hunt insects on damp land, so losing ponds means losing frogs.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same action «live» (+2); the same doer «tadpoles» (+2). The right option, 4, scored 6. · the question and its options parsed, with trees and pragmatics
Test 10 · right ✓
«why'd the zoo need to grow eucalyptus just for the koalas, give 'em lettuce» What is right?
- 1. Koalas would happily eat lettuce instead — score 3
- 2. Koalas eat meat, and the eucalyptus leaves are only there for bedding — score 3
- 3. Any tree leaves will do for a koala — no support
- 4. Koalas eat almost only eucalyptus and need special gut bacteria for it — ← Mova's choice · ✓ the right answer · score 6
Why: It took the question to ask why something happens (its cause). It chose option 4 with score 6, against 3 for the next best. Its support: lesson 1, line 18: «Koalas eat almost only eucalyptus leaves, which are tough, low in energy and slightly poisonous and need special gut bacteria to digest, so they rest or sleep…», reached through the same lesson line as the sentence the question matched. What matched: the same action «need» (+2); the same doer «koalas» (+2); the same thing acted on «special gut bacteria» (+2). · the question and its options parsed, with trees and pragmatics
Test 11 · wrong ✗
Count them up: a woodlouse and a beetle sit on the same log. How many legs together?
- 1. 12 — ← Mova's choice · no support
- 2. 22 — no support
- 3. 20 — ✓ the right answer · no support
- 4. 14 — no support
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
Test 12 · wrong ✗
«that swallow's been in our barn every summer, where's it go in winter, the attic?» What is right?
- 1. It sleeps all winter in the barn roof — ← Mova's choice · score 12
- 2. It hides in the mud of the pond — no support
- 3. It flies about 10,000 km to southern Africa and often comes back — ✓ the right answer · score 5
- 4. It dies in the autumn, and a brand new swallow comes to the barn each year — score 6
Why: It took the question to ask where. It chose option 1 with score 12, against 6 for the next best. Its support: lesson 1, line 16: «Barn swallows build cup nests of mud and grass under roofs, and those that nest in Britain fly about 10,000 km to southern Africa for the winter, often returni…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same doer «barn swallows» (+4); the same place «roofs» (+4). Against it: a different action (counts against) (-2). The right option, 3, scored 5. · the question and its options parsed, with trees and pragmatics
Exam question 1 · formal language · wrong ✗
Which of the following statements most accurately characterises a habitat?
- 1. Exclusively the nest or burrow in which an animal sleeps — ← Mova's choice · no support
- 2. Any region remote from human settlement, irrespective of whether an organism may obtain its requirements there — no support
- 3. An enclosure in which animals are exhibited to the public — no support
- 4. The place in which an organism obtains the water or air, food, shelter and conditions for rearing young that it requires — ✓ the right answer · no support
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
Exam question 2 · formal language · right ✓
Identify the principal reason for which woodlice are confined to damp and shaded situations.
- 1. Their respiratory structures must remain moist, and exposure to dry air may prove fatal within hours — ← Mova's choice · ✓ the right answer · no support
- 2. They are incapable of locomotion in daylight — no support
- 3. They subsist exclusively upon stones — no support
- 4. They are unable to perceive light of any description and therefore remain wherever they first find themselves — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · wrong ✗
Select the response consistent with the established facts concerning the memory of the goldfish.
- 1. The goldfish possesses no capacity for memory whatsoever — ← Mova's choice · no support
- 2. The goldfish is capable of retaining feeding times and learned tasks for a period of months — ✓ the right answer · no support
- 3. The memory of the goldfish is limited to approximately three minutes — no support
- 4. The memory of the goldfish is limited to approximately three seconds, after which all is forgotten — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · right ✓
Ascertain the consequence which would ensue were a cactus and a water lily to exchange their respective habitats.
- 1. Both plants would perish, the former through rotting and the latter through desiccation — ← Mova's choice · ✓ the right answer · no support
- 2. Both plants would flourish in consequence of the change and the greater variety of conditions — no support
- 3. Each plant would in time be transformed into the other — no support
- 4. The cactus alone would perish — no support
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
This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/1-what-a-habitat-is/