In Cnidarians, the stinging organelles used for defense and prey capture are known as:
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Correct answer: Nematocysts
Nematocysts are the specialized intracellular organelles (capsules) within cnidocytes that contain a coiled, thread-like tube. When triggered, they rapidly discharge to inject toxins or entangle prey.
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More Protista, Porifera, Cnidaria: Features questions
- Which of the following body forms in Cnidaria is typically sessile and reproduces asexually?
- Sponges are classified into different classes primarily based on the composition of their:
- Which Protozoan group is characterized by the presence of two nuclei—a macronucleus and a micronucleus?
- The central cavity of a sponge, through which water flows before exiting, is called the:
- Cnidarians are described as 'diploblastic' because their body develops from which two germ layers?
- The 'contractile vacuole' found in many freshwater Protists is primarily used for: