jellyfish importance two
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* The body of a jellyfish exhibits radial symmetry and is divided into three main parts: the umbrella, the oral arms (around the mouth) and the stinging tentacles. *They have an internal cavity, in which digestion is carried out. This cavity has a single aperture which functions both the mouth and the anus.
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Jellyfish are primarily free-swimming creatures, however, some are sessile.
Tentacles aid in the capture of their prey.
Explanation: Jellyfish have unique features, such as a pulsating bell that provides propulsion and effective mobility.
- Tentacles are utilised to catch prey and protect themselves from predators. Jellyfish have a complicated life cycle. Planula larva can disperse considerably during the sexual phase, which is followed by a stationary polyp phase.
- Scyphozoan jellyfish are found across the world's waters. It contains animals with disk-shaped bodies that are frequently found drifting near the coast.
- Jellyfish can live for only a few weeks, although some can live for a year or longer. Most fish have bodies that are 2 to 40 cm (1 to 16 inches) in diameter. Some of the species are much larger than others.
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