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.
When a fly finds food that's solid, it rubs the food with bristles on its proboscis, a tubular appendage from its mouth. Then, the fly vomits a mixture of saliva and digestive juices onto the food. This breaks down the food and turns it into a liquid form. Flies are unable to chew or bite.