Which of the following statements is/are correct?

a. In saprophytic nutrition, the organisms obtain their food from dead and decaying organic matter of dead plants, dead animals and other decaying matter. b. In parasitic nutrition, an organism (parasite) lives on the body surface or inside the body of another organism (known as a host) to derive its nutrition. c. In holozoic nutrition, the organism undergoes the process of internalization (ingestion) and internal processing of liquids or solid food particles.