Which interaction benefits both of the species involved?
AMannerism
BModernism
CMysticism
DMutualism
Answer & Solution
Correct answer: D. Mutualism
1. The six interactions are classified by who gains and who loses.
2. One of them is positive on both sides.
3. Both the species benefit in mutualism.
4. Both lose in competition.
_Source: syllabus Biology, Ch 11 'Organisms and Populations'_
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