Final answer:
Wild silverfish are omnivores that eat small insects, plant material, fungi, and decaying matter.
Step-by-step explanation:
Wild silverfish are omnivores, which means they eat a variety of foods. They feed on small insects, plant material, fungi, and decaying matter. Some silverfish species are nocturnal and have brown hues while others are diurnal and have vivid patterns of yellow, green, and black.