Multiple choice

Which one of the following is a negative interaction?

  1. Epiphytism

  2. Mutualism

  3. Parasitism

  4. Parental care

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

Parasitism is a negative interspecific interaction where one organism (parasite) benefits at the expense of the host organism, which is harmed. This differs from mutualism (both benefit) and commensalism (one benefits, other unaffected).