1. Words adoptive = to become parent of a child that isn't your own claim

rise = to go up

scientist = person who is trained in science and works in a lab

seed = small hard object from produced by plants, from which a new plant can grow

suitable = here: to be the ideal place to grow something

survival = existence ; staying alive

under attack = to be attacked by something


15.
Words

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  billion = a thousand million
  
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  bleaching = to make something pale or white; when an object loses its colour
  
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  break down = to change its structure
  
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  Caribbean Sea = sea between North and South America
  
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  cause = the reason for something; why something happens
  
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  countless = too many to be counted
  
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  due to = because of
  
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  ecosystem = all the animals and plants in a certain area and the way they live together
  
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  endangered = to be in danger
  
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  environmentalist = a person who cares about the world around us
  
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  especially = above all
  
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  global warming = when the temperatures in the atmosphere get higher because of increased amounts of carbon dioxide
  
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  habitat = place to live
  
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  in addition = also
  
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  lure = attract; here: bring people to the area
  
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  marine species = animals and plants that live in the oceans
  
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  occur = happen
  
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  overfishing = when you take too many fish from the sea so that the overall number of fish becomes too low
  
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  pollution = when water becomes dirty so that it cannot be used anymore
  
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  predict = to say that something will happen in the future
  
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