No, a frog is not an insect. Frogs belong to a group of animals called amphibians, while insects belong to a completely different class known as Insecta.
Frogs are characterized by their smooth, moist skin, strong hind legs for jumping, and a life cycle that includes both aquatic and terrestrial stages. They typically undergo metamorphosis, starting as eggs in water, developing into tadpoles, and then transforming into adult frogs.
In contrast, insects have hard exoskeletons, three main body segments (head, thorax, abdomen), and six legs. They also follow a different life cycle, which can include stages such as egg, larva, pupa, and adult.
Overall, while both frogs and insects are part of the animal kingdom, they belong to entirely different classifications and have distinct biological characteristics.