SCIENCE GRADE 3 JUNE

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Author:
Anonymous
ID:
89949
Filename:
SCIENCE GRADE 3 JUNE
Updated:
2011-06-09 16:33:38
Tags:
GPV SCIENCE CHAP
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Description:
RELATIONSHIPS OF LIVING THINGS
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  1. The ________ ____________ was formed by millions of years of erosion.
    Grand Canyon
  2. What is erosion?
    The wearing away of the Earth's surface.
  3. What is an ECOSYSTEM?
    plants and animals and the environment in which they live.
  4. Give examples of NATURAL DISASTERS.
    • flood
    • earthquake
    • volcano
    • forest fire
  5. An animal that hunts other animals for food is called a ____________.
    PREDATOR
  6. ALL FOOD CHAINS BEGIN WITH _________.
    PRODUCERS
  7. WHAT IS A FOOD CHAIN?
    THE PATH THAT ENERGY TAKES AS ONE LIVING THING EATS ANOTHER.
  8. A GROUP OF PLANTS AND ANIMALS THAT LIVE IN THE SAME AREA AND DEPEND ON ONE ANOTHER IS CALLED A __________.
    COMMUNITY
  9. AN INSECTICIDE THAT HARMS MORE THAN JUST PESTS IS CALLED ________.
    DDT
  10. Did the CANE TOAD solve the beetle problem in Australia? Yes or No?
    NO
  11. What does a DECOMPOSER do?
    1. living things that feed on the remains of once-living things and on animal droppings

    2. they release simpler materials back into the environment
  12. True of False

    Everything that surrounds and affects a living thing is called Environment.
    TRUE
  13. What is a CONSUMER?
    Living things that eat plants, animals, or other living things.
  14. A animal that ONLY eats plants is called a ________.
    HERBIVORE
  15. An animal that only eats OTHER animals is a _____.
    CARNIVORE
  16. What is EXTINCTION?
    THE DYING OUT OF ALL LIVING THINGS OF A CERTAIN KIND.
  17. TRUE OR FALSE:

    AN OMNIVORE EASTS BOTH PLANTS AND ANIMALS.
    TRUE

    EX. BEARS, RACCOONS
  18. A place WHERE an animal or plant lives is its ______.
    HABITAT
  19. 3 BASIC THINGS YOU NEED TO LIVE ARE :
    • FOOD
    • WATER
    • AIR
  20. FOOD CHAINS overlap to form _______ _______.
    FOOD WEBS

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