---
title: Conservation heroes: Attenborough, Goodall, Carson, Maathai and the… — how Mova does on the tests · Biology
description: Lesson 284 of the biology course of Mova's primary school: 4 of 11 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# Conservation heroes: Attenborough, Goodall, Carson, Maathai and the rangers

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**Tests:** 4 of 11 right · **Exam:** 1 of 4 right · **Kind:** plain · **Understood:** 13 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 284 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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/).

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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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/).

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### Test 1 · right ✓ {#t1}

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«Steve Irwin got eaten by a croc, right?» What is right?

- **1.** No, he was bitten by a shark while he was filming — no support
- **2.** No, he is still making shows — score 3
- **3.** Yes, a crocodile ate him — no support
- **4.** No, he died in an extremely rare stingray accident — **← Mova's choice** · **✓ the right answer** · score 5

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 5, against 3 for the next best. Its support: lesson 284, line 8: «Steve Irwin was an Australian zoo keeper and TV presenter who loved reptiles; he died in 2006 in an extremely rare stingray accident, and his family still runs…», reached through the option's own match among the sentences about the question's things. What matched: the same action «die» (+2); the same doer «steve» (+2); the same circumstance (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t1/)

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### Test 2 · wrong ✗ {#t2}

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«stingrays are killers then, never going in the sea again» What is fairest?

- **1.** Stingray accidents like that are extremely rare — **✓ the right answer** · no support
- **2.** Stingrays live only in the deep sea — **← Mova's choice** · score 4
- **3.** All stingrays chase people — no support
- **4.** Stingrays attack every swimmer — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 4, the only option with support. Its support: lesson 273, line 15: «Giant squid live deep down in the dark sea, so they are rarely seen; they can be about 12 metres long with their tentacles and were first filmed alive in 2004;…», reached through the option's own match among the sentences about the question's things. What matched: the same place «dark sea» (+4); the same action «live» (+2). Against it: a different doer (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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t2/)

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### Test 3 · wrong ✗ {#t3}

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«you're 10, you can't save nature, leave it to grown-ups» What does Felix Finkbeiner's story show?

- **1.** Trees planted by children do not grow — **← Mova's choice** · score -3
- **2.** Children can only watch TV about nature and learn about it — score -3
- **3.** Only grown-ups can plant trees — no support
- **4.** He started a campaign at 9 that planted millions of trees — **✓ the right answer** · no support

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**Why:** It took the question to ask who or what does it. 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 283, line 6: «Wolves were killed out of Yellowstone by the 1920s, and 31 wolves were brought back from Canada in 1995 and 1996; without wolves, elk ate young trees along the…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+2); the same action «grow» (+1). Against it: one says «not», the other does not (counts against) (-6). The right option, 4, 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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t3/)

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### Test 4 · wrong ✗ {#t4}

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Count them: in a garden birdwatch you see 3 robins and 2 magpies. How many birds, legs and wings did you count?

- **1.** 5 birds, 20 legs and 10 wings — **← Mova's choice** · score 6
- **2.** 6 birds, 12 legs and 12 wings — score 6
- **3.** 5 birds, 10 legs and 10 wings — **✓ the right answer** · score 6
- **4.** 5 birds, 10 legs and 5 wings — score 6

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**Why:** It took the question to ask what it is done to. 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 284, line 16: «Citizen scientists are ordinary people who count birds, butterflies and frogs and send the numbers to scientists; the Big Garden Birdwatch in Britain has hundr…», reached through the option's own match among the sentences about the question's things. What matched: a different doer (counts against) (+3); the same action «count» (+2); it fills the role the question asks for (+1). The right option, 3, scored 6. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t4/)

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### Test 5 · wrong ✗ {#t5}

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What would most likely have happened to bald eagles if Silent Spring had never been written?

- **1.** Nothing could have harmed eagles — **← Mova's choice** · score 7
- **2.** Eagles would have learnt to eat DDT and grown stronger from it — score 1
- **3.** DDT might have stayed in use longer and harmed more eggs — **✓ the right answer** · score 7
- **4.** Eagles would have grown bigger — score -1

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**Why:** It took the question to ask what happens next. It chose option 1 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 284, line 3: «Rachel Carson wrote a book, Silent Spring, about how pesticides harmed birds, and it helped get DDT banned in America, which is where the bald eagle's comeback…», reached through what followed the sentence the question matched. What matched: the same action «harm» (+7). The right option, 3, scored 7. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t5/)

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### Test 6 · wrong ✗ {#t6}

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«a book can't save animals, it's just paper» What does Rachel Carson's story show?

- **1.** Her book was about cooking — no support
- **2.** Books never change anything in the real world, only in stories — **← Mova's choice** · score 8
- **3.** Her book helped get DDT banned and started the eagle comeback — **✓ the right answer** · score 1
- **4.** Her book banned all birds — no support

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**Why:** It took the question to ask what it is done to. It chose option 2 with score 8, against 1 for the next best. Its support: lesson 275, line 11: «Trace fossils are marks animals left behind, such as footprints, burrows, tooth marks, nests, eggs and fossil poo; they show how animals walked, hid and lived.», reached through what was said in the sentence the question matched. What matched: the same circumstance (+4); it fills the role the question asks for (+3); the same thing acted on (+1); a different doer (counts against) (+1). Against it: a different action (counts against) (-1). The right option, 3, scored 1. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t6/)

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### Test 7 · wrong ✗ {#t7}

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Count them: a ranger team of 4 people walks with 2 sniffer dogs. How many legs, ears and noses are there?

- **1.** 12 legs, 12 ears and 6 noses — **← Mova's choice** · score 1
- **2.** 16 legs, 12 ears and 4 noses — score 1
- **3.** 16 legs, 6 ears and 6 noses — score 1
- **4.** 16 legs, 12 ears and 6 noses — **✓ the right answer** · score 1

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**Why:** It took the question to ask what it is done to. It chose option 1 with score 1, tied with another option at 1 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 207, line 13: «A foal stands and walks within a few hours of birth, on legs that are very long for its body, because a wild foal must keep up with the herd.», reached through the option's own match among the sentences about the question's things. What matched: the same light verb (be, have, do, get, go) (+1); it fills the role the question asks for (+1). Against it: the same doer «legs» (-1). The right option, 4, scored 1. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t7/)

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### Test 8 · right ✓ {#t8}

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«why'd anyone believe chimps use tools, they're just animals» What did Jane Goodall see?

- **1.** Chimps stripping twigs to fish termites out of mounds — **← Mova's choice** · **✓ the right answer** · score 13
- **2.** Chimps writing letters on paper with pencils she gave them — score 2
- **3.** Chimps building cars — score 4
- **4.** Chimps cooking with fire — score 6

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**Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 13, against 6 for the next best. Its support: lesson 284, line 2: «Jane Goodall sat quietly in a Tanzanian forest from 1960 until the chimpanzees trusted her, and she saw something nobody believed: a chimp stripping leaves fro…», reached through the cause of the sentence the question matched. What matched: the same action «strip» (+7); the same circumstance (+3); the same doer «chimp» (+2); a different thing acted on (counts against) (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t8/)

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### Test 9 · right ✓ {#t9}

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In a cartoon, a park ranger spends all day chasing a bear for its picnic basket. What do real rangers mostly do?

- **1.** Only drive tourists around — no support
- **2.** Sell sandwiches to visitors — no support
- **3.** Protect animals and land from poachers, often in danger — **← Mova's choice** · **✓ the right answer** · score 9
- **4.** Chase bears away from picnics all day — no support

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**Why:** It took the question to ask what is done. It chose option 3 with score 9, the only option with support. Its support: lesson 284, line 11: «Park rangers protect animals from poachers, often in danger; many are local people who know the land, and in South Africa a team of women rangers is called the…», 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 (+3); the same action «protect» (+2); the same receiver «animals» (+2); the same circumstance (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t9/)

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### Test 10 · wrong ✗ {#t10}

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«my nan counts birds in her garden for some charity, waste of time» What is right?

- **1.** Birds fly away when counted — **← Mova's choice** · score 4
- **2.** Only scientists' own counts matter — no support
- **3.** Counts from many people show scientists which birds are rising or falling — **✓ the right answer** · no support
- **4.** It is useless, because scientists ignore any counts that come from ordinary people — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 4, the only option with support. Its support: lesson 59, line 3: «Some hitch a ride: burdock burrs hook onto your dog's fur after a walk, birds eat berries and drop the seeds far away, and squirrels bury acorns and forget hal…», reached through the option's own match among the sentences about the question's things. What matched: the same property (+4); the same doer «birds» (+2). Against it: a different action (counts against) (-2). The right option, 3, 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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t10/)

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### Test 11 · right ✓ {#t11}

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«trees just for looks innit» What did women in Kenya plant trees for?

- **1.** To hide from tax collectors — no support
- **2.** Firewood, clean water and good soil — **← Mova's choice** · **✓ the right answer** · score 3
- **3.** Only to make the village look pretty — no support
- **4.** To feed giraffes in zoos — no support

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**Why:** It took the question to ask who or what does it. It chose option 2 with score 3, the only option with support. Its support: lesson 253, line 11: «Water rises in a tree because leaves lose water into the air and pull up a chain of water through thin tubes; water sticks together like a rope, and scientists…», 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 (+2); the same doer «water» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/t11/)

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

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Identify the discovery for which Jane Goodall is principally renowned.

- **1.** That chimpanzees are descended from humans — **← Mova's choice** · no support
- **2.** That chimpanzees possess no capacity for learning — no support
- **3.** That chimpanzees fashion and employ tools — **✓ the right answer** · no support
- **4.** That chimpanzees subsist entirely upon fruit — 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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/e1/)

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### Exam question 2 · formal language · wrong ✗ {#e2}

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State the title of the work by Rachel Carson which contributed to the prohibition of DDT in the United States.

- **1.** On the Origin of Species — **← Mova's choice** · no support
- **2.** The Overloaded Ark — no support
- **3.** Blue Planet — no support
- **4.** Silent Spring — **✓ 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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/e2/)

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### Exam question 3 · formal language · right ✓ {#e3}

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Select the response consistent with the established facts concerning Wangari Maathai.

- **1.** She discovered the use of tools by chimpanzees — no support
- **2.** She presented nature films for over seventy years — no support
- **3.** She founded the Green Belt Movement and was awarded the Nobel Peace Prize in 2004 — **← Mova's choice** · **✓ the right answer** · score 7
- **4.** She founded Jersey Zoo and studied gorillas in Rwanda — no support

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**Why:** It took the question to ask which statement is true. It chose option 3 with score 7, the only option with support. Its support: lesson 284, line 10: «Wangari Maathai of Kenya started the Green Belt Movement, in which village women planted tens of millions of trees for firewood, water and soil; she won the No…», reached through the option's own match among the sentences about the question's things. What matched: the same place «2004» (+4); the same thing acted on «nobel peace prize» (+3); the same doer «maathai» (+2). Against it: a different action (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Which of the following statements most accurately characterises the activity of citizen scientists?

- **1.** Members of the public record observations of wildlife and submit them to scientists — **✓ the right answer** · no support
- **2.** Rangers pursue poachers with trained dogs — **← Mova's choice** · score 0
- **3.** Film-makers record animals for television — no support
- **4.** Professional scientists perform experiments in secret laboratories — no support

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**Why:** It took the question to ask who or what does it. It chose option 2 with score 0, the only option with support. Its support: lesson 237, line 6: «Dogs follow human pointing very well, even as puppies, while wolves and chimpanzees find it hard.», reached through the remembered sentence the question matched. What matched: the same circumstance (+2); the same action «follow» (+1). Against it: a different thing acted on (counts against) (-1); a different doer (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/284-conservation-heroes-attenborough-goodall-carson-maathai-and-the-rangers/e4/)

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- ← previous: [283. Wolves in Yellowstone, beavers in Britain and br…](https://md.mova.elamur.ai/free/en/school-run/biology/283-wolves-in-yellowstone-beavers-in-britain-and-bringing-nature-back/)
- next →: [285. What a child can do for nature](https://md.mova.elamur.ai/free/en/school-run/biology/285-what-a-child-can-do-for-nature/)
- ↑ back to [Biology](https://md.mova.elamur.ai/free/en/school-run/biology/)