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traducir SPONGE: esponja, bizcocho, esponja [feminine, singular]. Más información en el diccionario inglés-español.
A sponge endoskeleton consists of short, sharp rods called spicules (see Figure below). Spicules are made of silica, calcium carbonate, or spongin, a tough protein. They grow from specialized cells in the body of the sponge. Sponge Anatomy. A sponge lacks tissues and organs, but it has several types of specialized cells. Sponges are filter feeders.
SPONGE definition: 1. a soft substance that is full of small holes and can absorb a lot of liquid, and is used for…. Learn more.
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11 de mar. de 2014 · A non-toxic yellow dye has been squirted around the base of a purple tube sponge in the Caribbean. Shortly thereafter, the dye is pumped out through the osculum at the top of the sponge. Some sponges grow quite large. This barrel sponge is nearly large enough for the diver to climb right inside! Other barrel sponges get even bigger than this.
A simple saclike sponge. Its surface is perforated by small openings (incurrent pores) formed by tubelike cells (porocytes), which open into the internal cavity. A gelatinous middle layer contains the skeletal elements (spicules and spongin fibers) as well as amebocytes active in digestion, waste removal, and spicule and spongin formation.
Sponges are animals with dense skeletons that are highly adapted to their environments, although it is easy to see why they may be mistaken for plants. Sponges are found in a wide variety of colors, shapes, and sizes – and scientists believe that the colors of the sponge may act as a protection from the sun’s harmful UV rays. Most sponges are found in the ocean, but there are certain ...
