Movement in Invertebrates

The video explores the movement of animals, known as locomotion or gait, and the reasons behind it, such as searching for food, protection, and reproduction. It highlights different movement types across species, including creeping, crawling, swimming, and flying. The role of body parts like legs, fins, and wings in movement is discussed, along with the skeletal system's function. The video examines specific invertebrates like earthworms, snails, and cockroaches, detailing their unique movement mechanisms. Earthworms use muscle contractions, snails rely on a muscular foot and mucus, and cockroaches utilize an exoskeleton and coordinated leg movements.

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