Chemistry, Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. Chemistry. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
Crickets are omnivores and will eat fruit, seeds, leaves, other insects, nectar and parts of dead animals. While they are agricultural pests that will eat crops and seeds, this occurs rarely. Overall, crickets are not bothersome to humans.
Some flies eat less savory items, such as rotting meat or animal feces. They then lay their eggs in the waste and their baby flies, called maggots, finish off the meal. This may seem gross, but flies and maggots are essential for cleaning up nature and preventing the spread of disease.