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5 Written questions

5 Matching questions

  1. How do biological clocks affect organisms? Give 3 examples of events controlled by a biological clock.
  2. What is migration? How does migration help organisms survive?
  3. Describe some external/environmental cues and internal cues that "signal" organisms to anticipate and prepare for environmental changes.
  4. pioneer species
  5. ecological sucsesion
  1. a it helps them survive because when it gets really cold out birds do not have anough feathers to keep them warm so thats why they always go to a warmer place durring the winter
  2. b some of the cues would be when the weaher starts to become colder. Aslo the photo period would tell them which is the change in the sunlight
  3. c Ecological succession describes the natural changes that occur in ecosystems.
  4. d they effect organisms for three reasons one it tells them when it is time to wake up go to sleep and tell them what to do
  5. e pioneer species is when mosses and lichen plus algae and fungus plus other abiotic factors like wind and water start to "normalize" the habitat and break it down

5 Multiple choice questions

  1. it occurs most rapidly because there is less to burn down
  2. when birds move to a warmer place for winter
  3. when water hits a surface that it can not sink into so it slides off
  4. they are predictable because that same thing has happened before or they studied taht place for a lon time
  5. the water beneath the surface of the ground

5 True/False questions

  1. 3. How might changing from daylight savings time affect our biological clocks?it helps them survive because when it gets really cold out birds do not have anough feathers to keep them warm so thats why they always go to a warmer place durring the winter

          

  2. secondary sucsesionsecondary succession occurs on subtance sthat previously supported vegetation before disturbed

          

  3. rythema cycle that occurs over an over again

          

  4. Why would it be important that birds and other animals be "told by their biological clocks" when to migrate?it is important so that when it starts to snow they can be far out of that place so that they do not freeze to death

          

  5. annual plantsAn annual plant is a seasonal plant as it survives for only a season or year

          

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