Tag: sea anemones
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Sleep, From Sea to Sense: Jellyfish Reveal Sleep’s Ancient Purpose
Ancient Sleep, Modern Insight Sleep is a universal behavior we associate with humans and many animals, but its roots extend far deeper in the tree of life than most people realize. A groundbreaking study examining jellyfish and sea anemones—creatures among the earliest with nervous systems—suggests that sleep’s core function emerged hundreds of millions of years…
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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…