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.
Researchers from the University of California have been studying crickets in Hawaii for over 20 years and they have discovered that certain species of crickets have stopped chirping in order to avoid a parasitic predator. A tachinid fly known as Ormia Ochracea targets singing crickets and lays its eggs right on them.