niveljalkaisien
Niveljalkaiset, or arthropods, represent the largest phylum in the animal kingdom, encompassing insects, arachnids, crustaceans, and myriapods. They are characterized by a segmented body, a hard exoskeleton made of chitin, and jointed appendages. This exoskeleton provides protection and serves as a surface for muscle attachment, but it must be shed periodically through a process called ecdysis to allow for growth.
The segmented body of arthropods is typically divided into distinct regions, such as the head, thorax, and
Arthropods exhibit a remarkable diversity of habitats and lifestyles, thriving in marine, freshwater, terrestrial, and even