Learn English with BBC Earth

• ☐ ☐ ☐ bait [n] - food used to attract animals
• ☐ ☐ ☐ a crab pot [n] - crab trap
• ☐ ☐ ☐ sink [v] - fall to the bottom in water
• ☐ ☐ ☐ sit back [phv] - relax / wait
• ☐ ☐ ☐ wander [v] - walk
• ☐ ☐ ☐ a crustacean [n] - an animal like a lobster, crab, shrimp
• ☐ ☐ ☐ haven't got a clue [exp] - don't know
• ☐ ☐ ☐ a graveyard [n] - a place filled with dead bodies
• ☐ ☐ ☐ a slug [n] - a small land animal [image]
• ☐ ☐ ☐ a snail [n] - a small land animal with a shell [image]
• ☐ ☐ ☐ a clam [n] - a small sea animal with a shell [image]
• ☐ ☐ ☐ enormous [adj] - very big
• ☐ ☐ ☐ mammals [n] - animals like humans, dogs, whales and lions
• ☐ ☐ ☐ two thirds [n] - ²⁄₃
• ☐ ☐ ☐ neurons [n] - brain cells
• ☐ ☐ ☐ prey [n] - animals hunted by a predator
• ☐ ☐ ☐ tentacles [n] - the long arms of an octopus
• ☐ ☐ ☐ poach [v] - hunt or steal illegally
• ☐ ☐ ☐ smother [v] - cover
• ☐ ☐ ☐ think up [phv] - create
• ☐ ☐ ☐ set (someone) apart [phv] - be different than
• ☐ ☐ ☐ an invertebrate [n] - animals with no spine/backbone (like an octopus or worm)

[n] - noun,  [v] - verb,  [phv] - phrasal verb,  [adj] - adjective,  [exp] - expression

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1. What is Steve's job?
   a crab fisherman
   an octopus fisherman
   a salmon fisherman
   
   
2. What steps for catching crabs does the woman mention?
   Put bait in the trap.
   Drop the trap.
   Drink beer.
   Check the trap occasionally.
   Wait.
   Scare away octopus.
   
   
3. Why can't the crabs escape the trap?
   The are not smart enough to see the exit.
   There is no exit.
   The exit is at the top of the trap.
   
   
4. Why does the seafloor look like a crab graveyard?
   Steve has already caught many crabs.
   There are problems with environmental pollution.
   An octopus has eaten many crabs there.
   
   
5. The woman mentions some animals that are related to octopi. What are they?
   lobsters
   crabs
   snails
   slugs
   squids
   clams
   
   
6. What is the octopus's biggest advantage?
   It has eight tentacles.
   It has a large brain.
   It is a fast swimmer.
   
   
7. What types of animals have larger brains than an octopus when compared to body size?
   birds
   reptiles
   amphibians
   mammals
   crustaceans
   fish
   
   
8. Where are two thirds of an octopus's brain cells located?
   in its head
   in its tentacles
   in its body
   
   
9. What is the octopus's first plan to get the crab?
   reach in and grab the crab
   climb into the trap and eat the crab
   smother the crab
   
   
10. What is the octopus's second plan to get the crab?
    reach in and grab the crab
    climb into the trap and eat the crab
    smother the crab
    
    
11. What can the octopus do that crabs find impossible?
    break the trap
    open the trap
    escape the trap
    
    
12. How does the fisherman know that "an octopus has struck"?
    the broken crab shells
    the bad octopus smell
    the empty trap
    
    
13. How is an octopus different from other invertebrates?
    It eats crabs.
    It has problem-solving skills.
    It can escape the trap.
    
    

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Directions: Write sentences about the video clip using the words given. You can change the word form or add words, but you cannot change the word order.
( ) = optional   [ ] = necessary

Instrucciones: Escriba oraciones sobre el videoclip usando las palabras dadas. Puede cambiar la forma de la palabra o agregar palabras, pero no puede cambiar el orden de las palabras.

Instrucciones: Escreva orações sobre o videoclipe usando as palavras-chave. Você pode alterar a forma da palavra ou adicionar palavras, mas não pode alterar a ordem das palavras.

지시 : 주어진 단어를 사용하여 비디오 클립에 대한 문장을 씁니다. 어형을 변경하거나 단어를 추가할 수 있지만 어순은 변경할 수 없습니다.

Steve / crab / fisherman

Steve is a crab fisherman.

catch / crab / Steve / put / bait / pot / let / it / sink / sit / back / and / wait / crab / wander

To catch crabs, Steve puts some bait in a pot, lets it sink, sits back, and waits for crabs to wander in.

when / crab / enter / trap / they / not / know / how / get / out

When crabs enter [a/the] trap, they don't know how to get out.

slug / snail / clam / close / relative / octopus

Slugs, snails, and clams are the closest relatives of octopi.

giant / Pacific / octopus / enormous / brain

The giant Pacific octopus has an enormous brain.
Giant Pacific octopi have enormous brains.

only / bird / mammal / large / brain / octopus

Only birds and mammals have larger brains than octopi.

two / third / octopus / neuron / tentacle

Two thirds of an octopus's neurons are in its tentacles.
Two thirds of octopi's neurons are in their tentacles.

octopus / not / smother / prey / because / metal / trap / in / way.

[The/This] octopus can't smother its prey because the metal trap is in the way.

therefore / octopus / find / way / trap / steal / crab

Therefore, the octopus finds a way into the trap (in order) to steal the crab.

when / Steve / start / pull / trap / octopus / find / way / escape

When Steve starts to pull up the trap, the octopus finds a way to escape.

1. What information in this video was new for you? Was anything surprising? What will you remember about octopi?
2. Do you think it is fair/moral for fisherman to try to kill competing predators that steal their fish/crabs? Why?
   (Is it okay for the fisherman to try to kill the octopus because it is stealing his crabs?)
3. It is common in some countries to eat live octopus. Is this immoral? Does knowing that octopi are quite intelligent have an effect on your opinion?
4. Do you know any stories that show the intelligence of octopi?
5. Can you name these parts of the octopus?
   
   
   

   Word list: arms (tentacles), eye, head, mantle, siphon, skin, suckers