Madagascar: real lemurs, the aye-aye and the fossa

Tests: 7 of 10 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 10 of 14 · Run: 2026-10-18, commit f3c23ea72

Lesson 127 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 ✓

«Julien is king so real lemur groups have a king, obvs» What is right?

1. Right, the loudest male is the king of the whole group — score 5
2. Right, kings are chosen by dancing — no support
3. Right, there is one king per island — no support
4. Real ring-tailed lemur groups are led by females — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, against 5 for the next best. Its support: lesson 102, line 16: «Spotted hyenas giggle when nervous or excited and whoop to call the clan; they catch most of their own food, lions often steal from them, and their clans are l…», reached through the same lesson line as the sentence the question matched. What matched: the same action «lead» (+4); the same doer «females» (+2). · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

«6 ring-tailed lemurs + 2 fossas, how many tails» How many?

1. 2 — ← Mova's choice · no support
2. 16 — no support
3. 6 — no support
4. 8 — ✓ 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 ✗

«aye-aye's got how many long thin middle fingers then, it has 2 hands» How many?

1. 10 — ← Mova's choice · no support
2. 4 — no support
3. 2 — ✓ the right answer · no support
4. 1 — 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 ✓

«lemurs = monkeys from Africa innit» What is right?

1. Lemurs are primates but not monkeys, and live wild only on Madagascar — ← Mova's choice · ✓ the right answer · score 9
2. Right, they are African monkeys that also live in India — score 6
3. Wrong, they are cats — no support
4. Right, they came from the zoo — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 9, against 6 for the next best. Its support: lesson 127, line 7: «Wild lemurs live only on Madagascar and a few small islands nearby, and about 90 percent of Madagascar's wild animals and plants live nowhere else.», reached through the option's own match among the sentences about the question's things. What matched: the same place «madagascar» (+3); the same property (+3); the same action «live» (+2); the same doer «wild lemurs» (+1). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · right ✓

«sifaka jumped further than a bus, no way» What is right?

1. Sifakas can leap about 10 metres between trees — ← Mova's choice · ✓ the right answer · score 3
2. Impossible, lemurs cannot jump, they only walk on the ground — no support
3. They can only hop a few centimetres — no support
4. Sifakas fly using their tails — 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 127, line 13: «Sifakas leap about 10 metres between trees and on the ground bound sideways on two legs, because their legs are much longer than their arms.», reached through the option's own match among the sentences about the question's things. What matched: the same action «leap» (+2); the same doer «sifakas» (+1). · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · right ✓

What would happen to some Madagascar plants if their nectar-drinking lemurs disappeared?

1. Nothing at all would change — no support
2. Fewer of their flowers would be pollinated — ← Mova's choice · ✓ the right answer · score 0
3. They would grow much faster and bigger without lemurs — no support
4. They would grow fur — no support

Why: It took the question to ask what happens next. It chose option 2 with score 0, the only option with support. Its support: lesson 127, line 17: «Some lemurs drink nectar and carry pollen on their faces from flower to flower, pollinating plants as bees do.», reached through the option's own match among the sentences about the question's things. What matched: the same action «pollinate» (+1). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · right ✓

«why can't they just move the lemurs to Africa if the forest is gone» What is the best answer?

1. Lemurs live wild only on Madagascar, and many need their own small patch of forest — ← Mova's choice · ✓ the right answer · score 8
2. Lemurs prefer cities — no support
3. Lemurs can live anywhere without trees — score 4
4. Africa has lots of wild lemurs already, so a few more would be fine — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 8, against 4 for the next best. Its support: lesson 127, line 7: «Wild lemurs live only on Madagascar and a few small islands nearby, and about 90 percent of Madagascar's wild animals and plants live nowhere else.», reached through the option's own match among the sentences about the question's things. What matched: the same action «live» (+3); the same place «madagascar» (+2); the same property (+2); the same doer «wild lemurs» (+1). · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · wrong ✗

«the foosa's a made-up monster from the film lol» What is right?

1. Right, it is a made-up monster, like dragons in other films — no support
2. The fossa is a real predator that climbs trees and hunts lemurs — ✓ the right answer · no support
3. It is a real kind of bear — ← Mova's choice · score 4
4. It is a real kind of dog — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 127, line 2: «Madagascar broke away from other land millions of years ago, and the animals that reached it, maybe on floating rafts of plants, slowly changed into new kinds…», reached through the same lesson line as the sentence the question matched. What matched: the same circumstance (+3); the same thing acted on «new kinds» (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

Why might there be lemurs doing a woodpecker's job, but no woodpeckers?

1. Woodpeckers hate islands — no support
2. Lemurs scared all woodpeckers away — no support
3. Woodpeckers were all eaten by hungry lemurs long ago, so none are left — no support
4. No woodpeckers reached the island, so the aye-aye took on that way of life — ← Mova's choice · ✓ the right answer · score 4

Why: It took the question to ask which statement is true. It chose option 4 with score 4, the only option with support. Its support: lesson 127, line 17: «Some lemurs drink nectar and carry pollen on their faces from flower to flower, pollinating plants as bees do.», reached through the option's own match among the sentences about the question's things. What matched: the same place «faces» (+3); the same action «carry» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

A tiny mouse lemur is busy at night but sleeps through the dry season. Where does its energy come from?

1. Water it drinks in its sleep — no support
2. Fat stored in its tail — ← Mova's choice · ✓ the right answer · score 13
3. Sunlight soaking into its fur — no support
4. Food brought by other lemurs — no support

Why: It took the question to ask where. It chose option 2 with score 13, the only option with support. Its support: lesson 127, line 10: «Mouse lemurs are among the smallest primates; the smallest weighs about 30 grams, and big eyes help them hunt at night; some sleep through the dry season on fa…», reached through the same lesson line as the sentence the question matched. What matched: the same action «store» (+4); the same thing acted on «fat» (+4); it fills the role the question asks for (+3); the same place «tails» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Select the response consistent with the established facts concerning the leadership of groups of ring-tailed lemurs.

1. Such groups are governed by a single male designated king — no support
2. Such groups are led by the youngest individual — no support
3. Such groups possess no form of leadership whatsoever — no support
4. Such groups are led by females, which have priority of access to food — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, the only option with support. Its support: lesson 86, line 7: «In ring-tailed lemur groups the females lead, eat first and win most disputes, and many kinds of lemur are among the most endangered primates.», reached through the same lesson line as the sentence the question matched. What matched: the same action «lead» (+4); the same doer «females» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Identify the principal reason for which the greater part of the fauna of Madagascar occurs nowhere else upon Earth.

1. The fauna was introduced from Africa by human settlers — ← Mova's choice · no support
2. The fauna has deliberately avoided all other territories — no support
3. The fauna was bred in captivity in zoos and subsequently released upon the island — no support
4. The island separated from other land millions of years ago, and its fauna developed in isolation — ✓ 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 3 · formal language · right ✓

Which of the following statements most accurately characterises the method of feeding employed by the aye-aye?

1. It extracts nectar from flowers by means of an elongated tongue — no support
2. It captures fish in shallow streams by stirring the mud with its elongated fingers — no support
3. It taps upon bark, detects the tunnels of grubs, and extracts them with an elongated middle finger — ← Mova's choice · ✓ the right answer · score 7
4. It consumes the leaves of grasses at ground level — no support

Why: It took the question to ask who or what does it. It chose option 3 with score 7, the only option with support. Its support: lesson 127, line 11: «The aye-aye taps on bark, listens for grub tunnels, gnaws a hole and pulls the grub out with its long thin middle finger, doing the job of a woodpecker.», reached through the remembered sentence the question matched. What matched: the same action «pull out» (+4); the same circumstance (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the principal cause of the endangerment of the majority of species of lemur.

1. A failure of the species to learn to climb — ← Mova's choice · no support
2. The clearance of the forests upon which they depend — ✓ the right answer · no support
3. A decline in the temperature of the island — no support
4. Predation by lions introduced from Africa — 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/127-madagascar-real-lemurs/