cephalopod mollusks

Which Animals Have Cephalization?

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Which Animals Have Cephalization? Three groups of animals display a high degree of cephalization: vertebrates, arthropods, and cephalopod mollusks. Examples of vertebrates include humans, snakes, and birds. Examples of arthropods include lobsters, ants, and spiders. Examples of cephalopods include octopuses, squid, and cuttlefish. Are all animals cephalized? All vertebrate animals qualify as highly cephalized organisms

Is Cephalization Present In Echinoderms?

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Is Cephalization Present In Echinoderms? Echinoderms, or sea stars, also lack cephalization. Nearly all animals not falling into one of these categories exhibits some degree of cephalization. Why do echinoderms not have cephalization? Echinoderms do not present cephalization. They have a diffuse network of nerves and neurons made of a neural ring around the mouth