Ice Age Ukraine and Europe: cave bears, cave lions, the Siberian unicorn and mammoth-bone houses

Tests: 5 of 11 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 8 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 385 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 · ★★ · wrong ✗

Count them: a mammoth has 2 tusks and 4 grinding teeth at once. How many tusks and grinding teeth do 3 mammoths have together?

1. 3 tusks and 12 grinding teeth — ← Mova's choice · score 0
2. 6 tusks and 6 grinding teeth — score 0
3. 6 tusks and 12 grinding teeth — ✓ the right answer · score 0
4. 2 tusks and 4 grinding teeth — score 0

Why: It took the question to ask what it is done to. It chose option 1 with score 0, tied with another option at 0 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 207, line 15: «Horse teeth keep growing out of the jaw and are worn down by grinding grass, so their shape tells roughly how old a horse is; that is why people say «don't loo…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «horse teeth» (+1). Against it: the same action «grind» (-1). The right option, 3, scored 0. · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

Count them: a giant deer has 2 antlers, 4 legs and 1 tail. How many antlers, legs and tails on 2 deer?

1. 8 antlers, 8 legs, 8 tails — ← Mova's choice · no support
2. 4 antlers, 4 legs, 4 tails — no support
3. 4 antlers, 8 legs, 2 tails — ✓ the right answer · no support
4. 2 antlers, 4 legs, 1 tail — 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 · ★★ · right ✓

In the Ice Age films Manny the mammoth lives next to Diego the sabre-tooth and Sid the sloth. A friend says mammoths had loads of small teeth like us. What is right?

1. Mammoths had sharp fangs like lions — score 1
2. Mammoths had thirty-two small teeth — no support
3. Mammoths had no teeth, only tusks — no support
4. A mammoth chewed with four huge grinding teeth at a time — ← Mova's choice · ✓ the right answer · score 7

Why: It took the question to ask which statement is true. It chose option 4 with score 7, against 1 for the next best. Its support: lesson 385, line 13: «A mammoth chewed with four big grinding teeth at a time, one in each half of each jaw, and had two tusks; worn teeth were replaced about six times in a life.», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+3); the same thing acted on «mammoth» (+2); the same action «chew» (+1); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · wrong ✗

«unicorns are fake, so the Siberian unicorn is fake too» What is right?

1. It is still alive in Siberia — ← Mova's choice · no support
2. It was a real giant rhino, only the name is a joke — ✓ the right answer · no support
3. Yes, it is only a fairy tale — no support
4. It was a real white horse with a horn on its head — 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 5 · ★★ · wrong ✗

«dude all lions got manes» What do Ice Age paintings suggest?

1. Lions never lived in Europe — ← Mova's choice · score 11
2. Cave lions had the biggest manes ever — score 2
3. Cave lions may have had no big manes — ✓ the right answer · score 2
4. Only female lions had manes — score 2

Why: It took the question to ask what it is done to. It chose option 1 with score 11, against 2 for the next best. Its support: lesson 385, line 7: «Cave lions lived in cold Europe and Asia; cave paintings show them without big manes, though we cannot be sure the males had none.», reached through the remembered sentence the question matched. What matched: the same place «cold europe» (+6); the same action «live» (+4); the same doer «cave lions» (+2). Against it: one says «not», the other does not (counts against) (-1). The right option, 3, scored 2. · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · right ✓

What would happen to mammoth steppe animals if their grassland turned into thick forest?

1. They would thrive and grow bigger — score 2
2. They would turn into forest animals overnight — score 1
3. Nothing, they ate trees anyway — no support
4. They would lose their food and space and struggle — ← Mova's choice · ✓ the right answer · score 3

Why: It took the question to ask which statement is true. It chose option 4 with score 3, against 2 for the next best. Its support: lesson 225, line 6: «Rescue centres care for animals that are lost or given up, and these animals need new homes.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «animals» (+2); the same action «lose» (+1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · right ✓

«a hut made of bones?? sounds like a horror film» Why did it make sense?

1. Trees were scarce on the steppe and bones were strong — ← Mova's choice · ✓ the right answer · score 6
2. Bones were softer than wood — score 3
3. Bones were easy to buy in shops in the nearest big town — no support
4. People wanted to scare visitors — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, against 3 for the next best. Its support: lesson 385, line 1: «About 15,000 years ago, at Mezhyrich in Ukraine, people built round huts from mammoth jaws, skulls, tusks and long bones. There were few trees on the cold step…», reached through a sentence linked to the one the question matched. What matched: the same light verb (be, have, do, get, go) (+3); the same place «cold steppe» (+2); the same doer «few trees» (+1). · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · right ✓

Grandpa: «mammoths all died before the pyramids, long before». What is right?

1. The last mammoths lived until about 4,000 years ago, after the pyramids — ← Mova's choice · ✓ the right answer · score 2
2. Mammoths never died out — score -2
3. Yes, millions of years before — no support
4. Mammoths were alive when cars were invented and people took photos of them — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 2, against -2 for the next best. Its support: lesson 270, line 16: «Woolly mammoths were mammals with fur that fed their babies milk; they lived until about 4,000 years ago and never met dinosaurs.», reached through the option's own match among the sentences about the question's things. What matched: the same action «live» (+1); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

«found a cave full of chewed old bones and old poo, whose?» What is the best guess for an Ice Age cave?

1. A hyena den — ← Mova's choice · ✓ the right answer · score 0
2. A mammoth nursery — no support
3. A lion's painting studio — no support
4. A cave bear's kitchen — no support

Why: It took the question to ask a circumstance (with what, when, how). It chose option 1 with score 0, the only option with support. Its support: lesson 385, line 14: «Cave hyenas cracked bones with powerful jaws and dragged them to their dens, which scientists find by gnawed bones and fossil droppings.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+2); the same circumstance (+1). Against it: a different thing acted on (counts against) (-1); a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · wrong ✗

«just one reason the mammoths died, climate, done» What is the fair view?

1. It was only a giant meteor — no support
2. It was only one big flood — no support
3. Climate and people both mattered and scientists argue how much — ✓ the right answer · no support
4. People had nothing to do with it ever, because they could not hunt such huge animals — ← Mova's choice · score 3

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 130, line 5: «The film gets the ending wrong: most mammoths died out about 10,000 years ago as the climate warmed and people hunted them, though a last small group lived on…», reached through the same lesson line as the sentence the question matched. What matched: the same action «hunt» (+4). Against it: one says «not», the other does not (counts against) (-1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · wrong ✗

Why is the giant deer not really an elk?

1. It was a moose that lived in Ireland only and nowhere else in Europe — ← Mova's choice · no support
2. It was a cow — no support
3. It was a separate kind of deer, named from Irish bog finds — ✓ the right answer · no support
4. It was a horse with antlers — 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 1 · formal language · right ✓

Ascertain the principal reason for which mammoth bones were employed in the construction of dwellings at Mezhyrich.

1. Timber was scarce upon the treeless steppe — ← Mova's choice · ✓ the right answer · no support
2. Bone was regarded as sacred and wood forbidden — no support
3. Bone weighs less than any timber — no support
4. Stone was abundant but too soft — 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 · wrong ✗

State the number of grinding teeth employed simultaneously by a single mammoth.

1. Six — ← Mova's choice · no support
2. Four — ✓ the right answer · no support
3. Thirty-two — no support
4. Two — 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 3 · formal language · right ✓

Select the response consistent with the established facts concerning Elasmotherium, hereinafter termed the Siberian unicorn.

1. It was a giant rhinoceros whose horn has not been preserved — ← Mova's choice · ✓ the right answer · no support
2. It was a marine mammal of the Arctic — no support
3. It was a horse bearing a single horn — no support
4. It survives at present in Siberia — 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 · wrong ✗

Which of the following statements most accurately characterises the causes of the disappearance of the mammoth-steppe fauna?

1. Exclusively a sudden worldwide flood — ← Mova's choice · no support
2. Rapid warming, the spread of forest and human hunting, in disputed proportions — ✓ the right answer · no support
3. Exclusively the impact of a single meteorite — no support
4. Exclusively a disease brought by migrating birds from the southern continents — 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/385-ice-age-ukraine-and-europe-cave-bears-cave-lions-the-siberian-unicorn-and-mammoth-bone-houses/