Answer the following question: Fact 1: Bivalves feed on plankton and nonliving organic matter. Fact 2: Most animals that live on rocky shores eat plankton. Given the two facts above, most animals that live on rocky shores eat what?

OPT: (1). after too much water received (2). scarce resources (3). nonliving organic matter (4). mammals (5). Something made from fermented ricce (6). large animals (7). birds (8). harmful substances
Answer:
(3).