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A flap (operculum) opens and its stinging apparatus fires the barb into the prey. The venom is injected through the hollow filament to immobilise the prey; the tentacles then manoeuvre the prey into the stomach. Once the prey is digested the stomach reopens allowing the elimination of waste products and the beginning of the next hunting cycle.[16]:24 Intracellular symbionts[edit]

Polyps feed on a variety of small organisms, from microscopic zooplankton saiba mais to small fish. The polyp's tentacles immobilize or kill prey using stinging cells called nematocysts. These cells carry venom which they rapidly release in response to contact with another organism. A dormant nematocyst discharges in response to nearby prey touching the trigger (cnidocil).

eeuu "'Extremadamente perturbador" el grupo coral testimonio del primer funcionario A cerca de llamada por Trump, según demócratas

The politician’s lawyer says an immigration official has denied travel authorization from Spain, where the separatist leader is wanted for sedition and misuse of public funds

Soft corals vary considerably in form, and most are colonial. A few soft corals are stolonate, but the polyps of mais most are connected by sheets of coenosarc [def], and in some species these sheets are thick and the polyps deeply embedded in them.

The aqui scleractinian corals filled the niche vacated by the extinct rugose and tabulate species. Their fossils may be found in small numbers in rocks from the Triassic period, and became common in the Jurassic and later periods.

Fotos Los momentos clave de la suntuosa entronización do Naruhito saiba como nuevo emperador por Japón Los momentos clave por la suntuosa entronización do Naruhito saiba como nuevo emperador do Japón

Presently, corals are classified as certain species of animals within the sub-classes Hexacorallia and Octocorallia of the class Anthozoa in the phylum Cnidaria.[seis] Hexacorallia includes the stony corals and these groups have polyps that generally saiba mais have a seis-fold symmetry.

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