Madagascar: lemurs of every kind and the fossa
Tests: 6 of 11 right · Exam: 2 of 4 right · Kind: ★ · Understood: 7 of 15 · Run: 2026-10-18, commit f3c23ea72
Lesson 163 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 ✓
«King Julien's the boss so male lemurs rule, right» What is right?
- 1. No, in ring-tailed lemurs the females lead — ← Mova's choice · ✓ the right answer · no support
- 2. No, the fossa is the boss of lemurs — no support
- 3. Yes, lemurs crown a king every year — no support
- 4. Yes, the biggest and strongest male is always the king of the troop — 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
Test 2 · ★ · right ✓
In the cartoon Madagascar, fossas hunt in big gangs. What is real?
- 1. A real fossa is a slim mongoose relative that usually hunts alone — ← Mova's choice · ✓ the right answer · no support
- 2. Fossas only eat grass — no support
- 3. Fossas live in the sea — no support
- 4. Fossas are a kind of wolf that live in packs and hunt lemurs together — 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 ✓
«4 ring-tails sunbathing, how many striped tails is that, duh»
- 1. 4 — ← Mova's choice · ✓ the right answer · no support
- 2. 8 — no support
- 3. 16 — 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 · ★ · wrong ✗
«3 lemurs, no wait 5, how many ears altogether»
- 1. 15 — ← Mova's choice · no support
- 2. 6 — no support
- 3. 10 — ✓ the right answer · no support
- 4. 20 — 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 · ★ · right ✓
«my mate reckons lemurs are just monkeys» What is right?
- 1. No, lemurs are a kind of cat — no support
- 2. No, lemurs are rodents, like squirrels and rats, that live in trees — no support
- 3. They are primates, but lemurs are a separate branch, not monkeys — ← Mova's choice · ✓ the right answer · score 5
- 4. Yes, every lemur is a monkey — score 5
Why: It took the question to ask which statement is true. It chose option 3 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 163, line 10: «Madame Berthe's mouse lemur is the smallest primate in the world, about thirty grams, and fat-tailed dwarf lemurs store fat in their tails to sleep through the…», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «smallest primate» (+3); the same light verb (be, have, do, get, go) (+2). · the question and its options parsed, with trees and pragmatics
Test 6 · ★ · wrong ✗
What would happen to the aye-aye if Madagascar suddenly had lots of woodpeckers?
- 1. Nothing at all could change — no support
- 2. It would learn to fly — ← Mova's choice · score 4
- 3. It would start eating the woodpeckers' eggs instead of grubs — score 4
- 4. It would have to share its grubs with them — ✓ the right answer · score 4
Why: It took the question to ask what happens next. It chose option 2 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 127, line 3: «With no monkeys or woodpeckers on the island, lemurs spread into many kinds: the aye-aye taps on bark with a long thin finger to find grubs, and sifakas bound…», reached through what followed the sentence the question matched. What matched: the same doer «aye aye» (+4). The right option, 4, scored 4. · the question and its options parsed, with trees and pragmatics
Test 7 · ★ · right ✓
A museum shows an egg much bigger than a rugby ball from Madagascar. Whose egg is it?
- 1. An aye-aye's — score 7
- 2. An elephant bird's — ← Mova's choice · ✓ the right answer · score 13
- 3. A giant lemur's — score 6
- 4. A fossa's — score 6
Why: It took the question to ask a circumstance (with what, when, how). It chose option 2 with score 13, against 7 for the next best. Its support: lesson 151, line 11: «An ostrich egg is the largest egg of any living bird, about 15 centimetres long and as heavy as about 20 to 24 hen's eggs; its shell is so strong that a grown-…», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+4); the same doer «ostrich egg» (+3); the same circumstance (+3); the same light verb (be, have, do, get, go) (+2). · the question and its options parsed, with trees and pragmatics
Test 8 · ★ · wrong ✗
«why do lemurs scream when a fossa comes, they're just loud lol» What is right?
- 1. They want it to play — ← Mova's choice · score 6
- 2. They give special alarm calls to warn each other — ✓ the right answer · score 6
- 3. They are hungry — score 4
- 4. They are singing to it to make it go back to sleep — score 6
Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 163, line 10: «Madame Berthe's mouse lemur is the smallest primate in the world, about thirty grams, and fat-tailed dwarf lemurs store fat in their tails to sleep through the…», reached through the cause of the sentence the question matched. What matched: the same doer «tailed dwarf lemurs» (+4); a different action (counts against) (+2). The right option, 2, scored 6. · the question and its options parsed, with trees and pragmatics
Test 9 · ★ · wrong ✗
A lemur fits in the palm of your hand and weighs as much as a few coins. Which is it?
- 1. A ring-tailed lemur — ← Mova's choice · no support
- 2. An indri — no support
- 3. A mouse lemur — ✓ the right answer · no support
- 4. A sifaka — 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 10 · ★ · right ✓
Why could lemurs spread into about a hundred kinds on Madagascar?
- 1. The island was cut off for a very long time and had no monkeys to compete — ← Mova's choice · ✓ the right answer · score 6
- 2. Every lemur is really the same kind of animal, just in a different colour of fur — score 4
- 3. Zoos bred them there — no support
- 4. They came by boat a few years ago — score 6
Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 163, line 2: «Lemurs are primates, cousins of monkeys and apes, and with no monkeys on the island to compete they spread into about a hundred kinds, from one smaller than a…», reached through the cause of the sentence the question matched. What matched: the same doer «lemurs» (+4); a different action (counts against) (+2). · the question and its options parsed, with trees and pragmatics
Test 11 · ★ · wrong ✗
«who sings in the forest at dawn, sounds like a siren» in Madagascar. Which animal fits best?
- 1. A fossa — ← Mova's choice · score 2
- 2. A chameleon — score 2
- 3. A mouse lemur — score 2
- 4. An indri family — ✓ the right answer · score 2
Why: It took the question to ask who or what does it. It chose option 1 with score 2, tied with another option at 2 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 77, line 4: «Cartoons draw the dodo as a fat, stupid bird that deserved to vanish; in truth it was well suited to its island, and it died out because sailors' rats, pigs an…», reached through the remembered sentence the question matched. What matched: the same action «suit» (+2). The right option, 4, scored 2. · the question and its options parsed, with trees and pragmatics
Exam question 1 · formal language · right ✓
Identify the principal reason for which the aye-aye taps upon the wood of trees.
- 1. The detection by sound of hollow tunnels containing larvae — ← Mova's choice · ✓ the right answer · no support
- 2. The deterrence of approaching birds — no support
- 3. The cracking of the shells of nuts — no support
- 4. The communication of alarm to other aye-ayes by means of a loud tapping — 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 ✗
Select the response consistent with the established facts concerning the taxonomic affinities of the fossa.
- 1. It is a true member of the cat family, closely related to the puma — ← Mova's choice · no support
- 2. It is related to the mongooses notwithstanding its feline appearance — ✓ the right answer · no support
- 3. It is a species of wild dog — no support
- 4. It is a species of lemur — 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 social organisation of the ring-tailed lemur?
- 1. Leadership is assumed by the youngest animals — score -2
- 2. A single male is selected as king of the group — no support
- 3. Females occupy the position of leadership within the group — ← Mova's choice · ✓ the right answer · score 8
- 4. No individual exercises any leadership — no support
Why: It took the question to ask who or what does it. It chose option 3 with score 8, against -2 for the next best. Its support: lesson 163, line 7: «In ring-tailed lemurs and many other lemurs, females lead the group and get the best food, which is unusual among mammals.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+4); the same doer «females» (+3); the same circumstance (+2). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
Ascertain the significance of the capacity of the golden bamboo lemur to consume bamboo containing cyanide.
- 1. The colouring of its fur to a golden hue that hides it in the bamboo forests — ← Mova's choice · no support
- 2. Access to a food resource for which there exists little competition — ✓ the right answer · no support
- 3. The ability to dispense with water entirely — no support
- 4. The acquisition of venom for the purposes of defence — 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/163-madagascar-lemurs-of-every-kind-and-the-fossa/