Cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy, and cellular respiration is a requirement for life. Given these facts, what is cells converting oxygen and carbohydrates into carbon dioxide, water, and energy among the following options:
- not necessary for life
 - requirement for life
 - Most plants
 - one celled organisms
 - digestion
 - they body they live in
 - h2o
 - circulatory systems


 

  requirement for life       