A. Saprophytism
B. Commensalism
C. Parasitism
D. Symbiosis
Correct Answer:
Option A – Saprophytism
Explanation
A saprophyte or saprotroph is an organism that gets its energy from dead and decaying organic matter. This may be decaying pieces of plants or animals. This means that saprophytes are heterotrophs. They are consumers in the food chain.