Answers created by Foyboy298

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• Which organelle is responsible for digesting bacterium that invade the cell?
  
• How does genetic variation increase the chance that some individuals will survive in a population?
  
• What North American species have become invasive species or ecological hazards elsewhere?
  
• What is energy input and output on earth?
  
• How does aerobic respiration relate to plants, animals and humans?
  
• Question #f3a4d
  
• What is the importance of water, oxygen, carbon dioxide during the photosynthesis process?
  
• Question #b4b19