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The term sponge derives from the Ancient Greek word σπόγγος spóngos. [9] The scientific name Porifera is a neuter plural of the Modern Latin term porifer, which comes from the roots porus meaning "pore, opening", and -fer meaning "bearing or carrying".
If a sponge contains spicules along with organic compounds, the likelihood of those sponges being consumed by spongivores decrease. [10] Sponges have also developed aposematism to help avoid predation. Spongivores have learned four things about sponges aposematism and they are as follows: If it is poison some predators will not eat it
Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include greater than 90% of all species of sponges with nearly 8,800 species worldwide (World Porifera Database). [5] They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite [citation ...
13. Legumes. Legumes are packed with the mineral zinc, which plays an important role in immune function—and can even help ease cold and flu symptoms, says Villanueva. She incorporates chickpeas ...
All sponges in this class are strictly marine, and, while they are distributed worldwide, most are found in shallow tropical waters. Like nearly all other sponges, they are sedentary filter feeders. All three sponge body plans (asconoid, syconoid, and leuconoid) can be found within the class Calcarea. Typically, calcareous sponges are small ...
The erect rope sponge used to be classified as Haliclona rubens, but this was determined to be a synonym of Haliclona compressa. [1] This name, however, is no longer accepted, and the World Porifera Database lists this species as Amphimedon compressa – Duchassaing & Michelotti, 1864.
Cliona celata, occasionally called the boring sponge, is a species of demosponge belonging the family Clionaidae. [1] It is found worldwide. This sponge bores round holes up to 5 millimetres (0.20 in) in diameter in limestone or the shells of molluscs, especially oysters. The sponge itself is often visible as a rather featureless yellow or ...
More examples of crows doing scarily smart things can be found in the list below, curated by our Bored Panda team. Scroll down to find them and make sure to upvote those instances that make you ...