A/an is an organism that can make its own food.
a).producer
b).consumer
c).omnivore
d).decomposer

A);producer due to its ability to produce food without the need of another organism

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )