excretion in biology

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Excretory substances in animals include

Excretory substances in animals include
  • A. Oxygen
  • B. Water
  • C. organic foods
  • D. Energy
  • Correct Answer: Option B

Process by which organisms remove metabolic wastes is called as

Process by which organisms remove metabolic wastes is called as
  • A. digestion
  • B. respiration
  • C. excretion
  • D. nutrition
  • Correct Answer: Option C