Invertebrates

Invertebrates, animals without a vertebral column, constitute approximately 95% of all animal species, thriving in diverse environments from the deepest oceans to the highest peaks. This group includes many organisms, such as insects, arachnids, mollusks, crustaceans, and worms, showcasing an incredible range of body structures and functions, from simple sponges to complex cephalopods. Key categories within invertebrates encompass Arthropoda (insects, spiders, crustaceans), Mollusca (snails, clams, octopuses), Annelida (earthworms, leeches), and Cnidaria (jellyfish, corals), each varying greatly in form and ecological role. Invertebrates are indispensable to ecosystem dynamics, acting as pollinators, decomposers, and crucial food sources for other animals, with their extensive adaptability underscoring ongoing studies in evolution, biology, and ecology.

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