Historical context refers to the moods, attitudes, and conditions that existed in a certain time. Context is the setting for an event that occurs, and it will have an impact on the relevance of the event.
Grasshoppers are medium to large insects. Adult length is 1 to 7 cm, depending on the species. Like their relatives the katydids and crickets, they have chewing mouthparts, two pairs of wings, one narrow and tough, the other wide and flexible, and long hind legs for jumping.rasshoppers are medium to large insects. Adult length is 1 to 7 cm, depending on the species. Like their relatives the katydids and crickets, they have chewing mouthparts, two pairs of wings, one narrow and tough, the other wide and flexible, and long hind legs for jumping.
The Acanthocephala or thorny-headed worms, or spiny-headed worms are characterized by the presence of an eversible proboscis, armed with spines, which it uses to pierce and hold the gut wall of its host. Lepidoptera mouth parts. The mouth parts of Lepidoptera mainly consist of the sucking kind; this part is known as the proboscis or 'haustellum'.