Characteristic features of arthropods include?

The characteristic features of arthropods are defined primarily by their jointed limbs and segmented bodies, which are typically encased in a hard exoskeleton. This hard covering, made primarily of chitin, provides structural support and protection from environmental hazards and predators. The jointed limbs allow for a wide range of movement and adaptability in various habitats, enabling arthropods to exploit different ecological niches effectively.

In addition to these core features, arthropods are characterized by a segmented body plan, which is divided into distinct regions such as the head, thorax, and abdomen. This segmentation also contributes to their diverse adaptations and specialized functions among different groups, like insects, arachnids, and crustaceans. Overall, the presence of jointed limbs and a hard exoskeleton are crucial to the identification and classification of arthropods in the animal kingdom.