Answers

  • npr
  • Ambitious
2014-01-18T12:24:31+05:30
These are characters of a living being:
  - can grow
 - needs food
 - can respond to stimuli
 - can reproduce
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2014-01-18T12:46:13+05:30
Both molecular and cellular organization.Living things must be able to organize simple substances into complex ones.Living things organize cells at several levels: 
 
Tissue - a group of cells that perform a common function.Organ - a group of tissues that perform a common function.Organ system - a group of organs that perform a common function.Organism - any complete living thing. 
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