To help overcome prey,some sea anemones have ____________ with nematocysts and gland cells that protrude through the mouth or pores.

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Acontia threads are specialized structures found in some sea anemones that are loaded with nematocysts (stinging cells) and gland cells. When the anemone is threatened, these threads can be extended through the mouth or pores to help overcome prey or defend against predators. Siphonoglyphs are grooves found in the pharynx of some sea anemones that help with food capture and digestion. Pedal lacerations refer to the process of tearing or breaking apart anemones to obtain food, and strobila refers to the chain of segments found in the body of some jellyfish. Pneumatophores are structures found in certain types of plants that help them obtain oxygen.

To Help Overcome Prey,some Sea Anemones Have ____________ with Nematocysts