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.
Butterflies have many enemies. Anything that preys on other insects will also eat butterflies and caterpillars. Ants, wasps, birds, preying mantises, walking sticks, etc., will eat them. Some caterpillars and butterflies eat. toxic plants and they save the toxicity in their bodies, thus making them toxic too.