- A Mutualism
- B Commensalism
- C Amensalism
- D Parasitism
Correct answer: C. Amensalism
Explanation: Amensalism is an interaction where one species (the small plant) is harmed or inhibited while the other species (the large tree) remains unaffected.
Concept context
How organisms interact with abiotic factors and respond to stress, plus population attributes, growth models, and interspecific interactions such as predation, competition, and mutualism.