The correct option is D Decomposer - tick
Carnivores eat other animals. The anteater eats ants and hence is a carnivore. Scavengers eat dead bodies, e.g. vultures. Saprozoic nutrition involves absorbing digested nutrients from dead matter. Fungi exhibit saprozoic nutrition. Parasites depend on living organisms for food and in turn, cause them discomfort. Examples of parasites include ticks, tapeworm, etc.