Wednesday, September 7, 2011

Compounds, Producers, Consumers and Decomposers and Do Now #6

Do Now #6:
Explain why scientists think the first life on planet Earth had to have been single celled organisms. 

Compounds In the Cells

What is a compound?  A substance that is composed of 2 or more different elements.

  • Proteins -
  • Lipids -
  • Carbohydrates-
  • Nucleic Acids -
  • ATP -

What is the difference between a producer, decomposer and a consumer?

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