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The Bare Necessities of Life

The Bare Necessities of Life. What we need to live? . What are some things that are needed by living organisms? Why do they need them? . Water. Our bodies are made up mostly of water it makes up 70% of our cells. Air . Air has a combination of gases: N, O, and CO2

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The Bare Necessities of Life

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  1. The Bare Necessities of Life

  2. What we need to live? • What are some things that are needed by living organisms? • Why do they need them?

  3. Water • Our bodies are made up mostly of water it makes up 70% of our cells.

  4. Air • Air has a combination of gases: N, O, and CO2 • Oxygen (O2) used in respiration reaction which converts sugar to energy • Carbon dioxide (CO2) • Green plants, algae and some bacteria use CO2 to produce oxygen and food by photosynthesis

  5. Not all organisms need O2 Organisms that can live with out air are anaerobic Clostridium botulinum Produces botulin a toxin that could be toxic to humans Never feed honey to a baby under 1 year old

  6. A place to live

  7. Food • Producer: an organism that can make its own food by using energy from its surroundings

  8. Food • Consumer: an organism that eats other organisms or organic matter

  9. Food • Decomposer: an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing nutrients

  10. decomposer decomposers

  11. Our friend the Superworm • You will now have the opportunity to provide the necessities of life to a colony of superworms and you will observe and describe what affects their growth and life cycle

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