Transcription: The hydra, one of the simplest multicellular animals, is a freshwater invertebrate consisting of a thin tube-like body surrounding a digestive cavity. The organism contains a single opening called the mouth, which ingests food and expels waste. The hydra is a predator, capturing tiny crustaceans with tentacles surrounding its mouth. The tentacles are equipped with specialized sting cells, which paralyze the prey. These tentacles draw the prey into the mouth. Inside the digestive cavity, enzymes break down the food for absorption and use. Hydras reproduce both sexually and asexually. In sexual ...
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