Tag: sea stars
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Do Brainless Animals Truly Think? Exploring Nervous Systems Without a Brain
Introduction: Rethinking “Thinking” Without a Brain When people hear that creatures like sea stars, jellyfish, sea urchins, and sea anemones lack a conventional brain, they often wonder if these animals can still “think.” The word think carries human associations with conscious deliberation and internal plans. But biology teaches us that intelligent behavior does not require…
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Can Brainless Animals Think? Exploring Nervous Systems in Simple Creatures
What Does it mean to think? When people ask if brainless animals can think, they’re really probing what we mean by thinking. In humans, thinking often implies conscious planning, reasoning, and imagination. But many animals lack a centralized brain yet still navigate their environments, capture prey, avoid danger, and adapt to changing conditions. To answer…