Hydra feed by using their tentacles to capture and ingest prey.
Here's a breakdown of the hydra's feeding process:
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Tentacle Movement: Hydras wave their tentacles slowly in the water, waiting for prey to come into contact.
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Stinging Cells: When food touches a tentacle, special stinging cells discharge to subdue the prey. According to the reference, the stinging cells are crucial in the feeding process.
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Food Capture and Ingestion: The tentacles then draw the food into the hydra's mouth.
In summary, hydra uses its tentacles, armed with stinging cells, to capture, subdue, and ingest its prey.
