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9 de abr. de 2024 · sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more.
One of many examples includes ageliferin. A few species, the Caribbean fire sponge Tedania ignis, cause a severe rash in humans who handle them. Turtles and some fish feed mainly on sponges. It is often said that sponges produce chemical defenses against such predators.
12 de jul. de 2019 · There are thousands of species of sponges, which are marine animals. Learn some basic sponge facts along with examples.
Sponges are very simple creatures with no tissues. All corals require saltwater to survive. While most sponges are found in the ocean, numerous species are also found in fresh water and estuaries. Regardless of these differences, sponges are important inhabitants of coral reef ecosystems.
9 de feb. de 2019 · Sponges (Porifera) are a group of animals that includes about 10,000 living species. Members of this group include glass sponges, demosponges, and calcareous sponges. Adult sponges are sessile animals that live attached to hard rocky surfaces, shells, or submerged objects.
4 de feb. de 2022 · It's finally time to start diving into individual animal phyla! First up is Porifera. This includes all the sponges. These are funky looking organisms, almos...
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Some sponges (boring sponges) excavate the surface of corals and molluscs, sometimes causing significant degradation of reefs and death of the mollusc. The corals or molluscs are not eaten; rather, the sponge is probably seeking protection for itself by sinking into the hard structures it erodes.
