New bacteria in coral reefs could yield useful molecules ^{CEFR A1}

Difficult words

• coral — Animals that build reef structures in the sea

  corals, stony corals, fire coral
• reef — A line of rock or coral in the sea

  reefs, Pacific reefs
• molecule — Very small piece of a substance or chemical

  molecules, small molecules
• bacteria — Very small living cells, some cause disease

  tiny bacteria
• fragile — Easy to break or damage
• bleaching — When corals lose their color and die

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