Phylum :Arthropods,English part:2 Zoology intermediate, biology # Arthropods

An arthropod is an invertebrate animal belonging to the phylum Arthropoda, characterized by a segmented body, a hard exoskeleton made of chitin, and jointed appendages. This diverse group includes insects, arachnids (like spiders and scorpions), crustaceans (such as crabs and lobsters), and myriapods (centipedes and millipedes). Arthropods are the largest and most successful animal group, found in nearly every environment on Earth and playing crucial roles in ecosystems. 
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