Arthropods is a specialized skill that focuses on the study of invertebrate animals with segmented bodies, jointed limbs, and an external skeleton, such as insects, spiders, and crustaceans. Arthropods play important roles in a variety of ecosystems and are essential to the survival of humans and other animals. This skill involves knowledge of arthropod anatomy, behavior, ecology, and classification, as well as effective collection, preservation, and identification methods. It is used in fields such as agriculture, entomology, biomedicine, and environmental science.