Study

Secondary 1 Lesson 18

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  • What do animals do at the bottom of the ocean where there is no light at all?
    many produce their own light
  • Much part of the ocean is dark. (T/F)
    T
  • His camera can see neon colours on coean life that glows in the dark. (T/F)
    T
  • What can a vampire squid do?
    it can turn itself on or off
  • The vampire squid has very big eyes to sleep well at night. (T/F)
    F
  • What are the green spots on the shark like?
    flowers and butterflies
  • How many percent of that live at the bottom of the ocean produce their own light?
    90%
  • What fascinates David?
    the darkness of the sea
  • What did David discovered about many sea animals?
    they can see colours in the water that we cannot
  • What did he design to see the colours just as fish does?
    a camera
  • His camera can communicate with the marine animals. (T/F)
    F
  • When does David dive into the ocean?
    in the darkness before dawn
  • The lights from the animals in the dark ocean are like being in the disco party. (T/F)
    T
  • Why is the shark that David discovered special?
    because it glows bright with green spots
  • How many percent of Earth is ocean?
    71%
  • We know most of the life down the ocean. (T/F)
    F
  • The vampire squid has the seconda largest eyes of any animal in the world. (T/F)
    F
  • Sharks uses their glowing green spot to recognise each other. (T/F)
    T
  • Sea animals can see the same colours as we do. (T/F)
    F
  • Sharks has glowing green spot to attract each other. (T/F)
    T
  • Why do marine animals in the dark ocean produce light?
    to communicate each other
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