Multiple choice

An organism living in the intestine of man and consuming undigested food without any harm, such relationship is called as ________.

  1. parasitism

  2. commensalism

  3. protocooperation

  4. mutualism

  5. autotrophic nutrition

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mutualism is the way two organisms of different species exist in a relationship in which each individual benefits.