Study

Natural Science 5 Unit 3 Review

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  • Monfragüe National Park has extensive marshes and sand dunes. (True or False)
    False
  • Name the 3 types of consumers
    primary, secondary, tertiary
  • What is a food chain?
    It represents the different levels of feeding relationships within an ecosystem.
  • What is the difference between an endangered specie and an extinct animal?
    ......
  • This describeswhen one organism benefits while the other one is not harmed or benefited.
    commensalism
  • Name five of the world's biggest environmental threats we face today?
    Global warming, pollution, deforestation, invasive species, overpopulation.
  • The Philippine eagle is an endangered species living only in limited areas of Spain. (True or False)
    False
  • All animals are consumers because they cannot make their own food. (True or False)
    True
  • Can you name the 3Rs rule? clue: ts the best way to help the environment and improve our quality of life.
    reduce, reuse, recycle
  • this occurs when trees in forests are cut down
    deforestation
  • The greenhouse effect reduces global temperatures. (True or False)
    True
  • Look at the picture and decide whether the animals are cooperating or competing
    competing
  • Food chains and food webs are the same. (True or False)
    False
  • Invasive species change the balance in an ecosystem. (True or False)
    True
  • These living things make their own food.
    producers
  • This describes animals that are at risk of extinction
    endangered species
  • A food chain always ends with a a host. (True or False)
    False
  • Name 2 things you can do to preserve biodiversity
    take shorter showers, recycle, respect local habitats, etc
  • What is a food web? explain.
    All connected food chains make up a food web.
  • The Iberian Lynx is the most endangered cat species in the word. (True or False)
    True
  • These organisms live on the remains of other organisms
    parasites
  • This word describes a species that no longer exists.
    extinct
  • How do producers make food?
    photosynthesis
  • A food chain always ends with a a host. (True or False)
    False
  • Most living things are part of more than one food chain. (True or False)
    True
  • Look at the picture and decide whether the animals are cooperating or competing
    cooperating