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5 Written questions

5 Matching questions

  1. The source of energy for almost all life on Earth is
  2. The ancestors of snakes used legs to walk on land. The small leg bones that are still in the bodies of snakes are
  3. Mangroves grow in this type of water.
  4. A substance that makes air, water, or land harmful for life is called
  5. An example of a renewable resource is
  1. a sunlight
  2. b vestigial organs
  3. c wood
  4. d salty
  5. e a pollutant

5 Multiple choice questions

  1. seaweeds
  2. variation, competition ,survival and reproduction
  3. a frog
  4. interphase
  5. keep dividing

5 True/False questions

  1. An inherited trait that gives an organism an advantage in its particular environment ispopulation


  2. Sand dunes are created byliving things and the physical environment


  3. An ecosystem is made up ofwind


  4. Human activities like habitat destruction, poachng, and pollution can causeextinction


  5. A group of organisms that live in a particular area is a(n)a frog