Science of Crabs

Jennifer

Listening — Intermediate Level
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Activity

Watch the video and answer the questions


  1. How many legs do crabs have?

  2. What is the hard uppershell of the crab called?

  3. How are male and female crabs distinguished?

  4. How do most crabs breathe?

  5. What is the smallest crab in the world?

Discussion

Practice your writing skills by discussing the questions below


  1. How are crabs different and/ or similar from fish?

  2. What are the uses of the crabs' legs?

    Jennifer

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    Vocabulary

      • (breathed) take air into the lungs and then expel it, especially as a regular physiological process
      • (dissolved) incorporated into a liquid to become a solution
      • (extracted) pull, take out
      • he paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx
      • slightly wet
      • an invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses.
      • habitually relying on or exploiting others
      • (protected) take care of; safeguard
      • the hard outer covering of an animal, insect, etc., that protects it
      • parts of the body that connect or hold the other parts

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