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• Read and listen: what is a coral reef? Choose
the best answer.
• A- a brightly colored plant
• B- a large area of plants and animals
• C-invertebrates that grow slowly and do not
move
Guess the meaning
polyps exoskeleton organisms
algae Shallow
• Read again and answer
• 1- why do coral reefs have bright colors?
• 2- why do coral reefs need sunlight?
• 3- why do tropical fish live in coral reefs?
Read and match
1-exoskeleton A-Not deep ; in the sea or a river , the
water does not go down very far
2-algae B-No color: you can see through it
3-organism C-A skeleton that is on the outside of an
invertebrate’s body
4-clear D-Very simple organisms that live in water
5-polyp E-A living animal or plant
6-shallow F-A very small and simple creature that
lives in the sea
Coral bleaching
• Pre-reading
• What causes coral bleaching?
• Why is coral bleaching a problem?
• Why are the red sea coral reefs different?
What is coral bleaching?
• At the moment , the seas and oceans on Earth
are getting warmer. This is because of global
warming.
• When the water temperature rises, the algae
inside the coral polyps leave . the algae give
the coral reef its bright colors.so , when the
algae leave, the reef is pale and white. This is
called coral bleaching
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
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coral reafs.pptx
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coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx
coral reafs.pptx

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coral reafs.pptx

  • 1.
  • 2.
  • 3. • Read and listen: what is a coral reef? Choose the best answer. • A- a brightly colored plant • B- a large area of plants and animals • C-invertebrates that grow slowly and do not move
  • 4. Guess the meaning polyps exoskeleton organisms algae Shallow
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11. • Read again and answer • 1- why do coral reefs have bright colors? • 2- why do coral reefs need sunlight? • 3- why do tropical fish live in coral reefs?
  • 12. Read and match 1-exoskeleton A-Not deep ; in the sea or a river , the water does not go down very far 2-algae B-No color: you can see through it 3-organism C-A skeleton that is on the outside of an invertebrate’s body 4-clear D-Very simple organisms that live in water 5-polyp E-A living animal or plant 6-shallow F-A very small and simple creature that lives in the sea
  • 13.
  • 14.
  • 15.
  • 16. Coral bleaching • Pre-reading • What causes coral bleaching? • Why is coral bleaching a problem? • Why are the red sea coral reefs different?
  • 17. What is coral bleaching? • At the moment , the seas and oceans on Earth are getting warmer. This is because of global warming. • When the water temperature rises, the algae inside the coral polyps leave . the algae give the coral reef its bright colors.so , when the algae leave, the reef is pale and white. This is called coral bleaching