--- title: The Arctic Ocean: walruses, bowheads, the 400-year shark a… — the lesson's questions with trees and pragmatics · Biology description: The 16 test and exam questions of lesson 169 «The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth» of the biology course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / The Arctic Ocean: walruses, bowheads,… # The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth The 16 questions of lesson 169 «The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth» of the biology course of Mova's primary school with their options, 82 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t1/) — «got a unicorn horn in grandpa's attic, worth millions» What is it most likely? — right ✓ · ★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t2/) — «polar bears are white all the way through, duh» What is right? — right ✓ · ★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t3/) — «3 walruses on the ice, how many tusks» — right ✓ · ★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t4/) — «2 narwhal boys, one tusk each, n a walrus, how many tusks altogether» — right ✓ · ★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t5/) — What would happen to polar bears if the sea ice melted much earlier each year? — right ✓ · ★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t6/) — «that shark's 400?? no way, they're just guessing» What is right? — wrong ✗ · ★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t7/) — In a cartoon a beluga talks in words like a person. What is real? — right ✓ · ★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t8/) — «a whale with a harpoon from like 1880 in it, it's a fake story» What is right? — wrong ✗ · ★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t9/) — «the arctic's dead in winter, nothing moves in the dark» What did scientists find? — wrong ✗ · ★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t10/) — A bird ringed in Greenland is seen next summer near Antarctica. Which bird is most likely? — wrong ✗ · ★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t11/) — Why does a harp seal pup need milk that is about half fat? — right ✓ · ★★ - [t12](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/t12/) — «why do walruses have whiskers, they're not cats lol» What is right? — right ✓ · ★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/e1/) — Identify the principal method by which the age of the Greenland shark has been estimated. — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/e2/) — Select the response consistent with the established facts concerning the colouration of the polar bear. — wrong ✗ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/e3/) — Which of the following statements most accurately characterises the so-called unicorn horns traded in medieval Europe? — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/e4/) — Ascertain the principal consequence for the polar bear of the progressive diminution of Arctic sea ice. — right ✓ · exam - ← previous: [168. The Arctic tundra: musk oxen, arctic foxes, snow…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/) - next →: [170. Antarctica: emperor huddles, krill, clear-bloode…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/)