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Planaria, a type of flatworm, respond to environmental changes through various behaviors and physiological adaptations. They can exhibit positive or negative taxis, moving toward favorable conditions (like light or food) or away from harmful stimuli (such as extreme temperatures or toxins). Additionally, planaria possess a simple nervous system that allows them to process sensory information and adjust their movements accordingly, enabling them to navigate their environment effectively. Their regenerative capabilities also allow them to adapt physically to environmental challenges over time.

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5d ago

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When a cell reacts to changes in its environment?

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The auricles of a planaria serve primarily as sensory structures that help the organism detect chemicals and changes in its environment. These ear-like projections are equipped with chemoreceptors, allowing planaria to sense food sources and potential predators. Additionally, they assist in spatial orientation and can contribute to the overall sensory perception of the flatworm.


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