Body type: There are three body types of sponge: asconoid, syconoid, and leuconoid. The asconoid sponge is tubular and the central shaft is called the sponge coil. When you hit the bristles of the choanocytes, water is pushed into the sponge coil through the pores on the body wall.
What are the shapes of the three sponge bodies?
Sponge has three different body plans: asconoid, synconoid, and leuconoid. Sponge feeding is highly dependent on some specialized cells in the organism, such as choanocytes, amoebic cells, and porosite. 2015
What are the four types of sponges?
Calcareous sponge, Hexactinellid, Demosponge, and Homoscrelomorpha make up four classes of sponges. Each type is categorized based on the presence or composition of its spicule or spongin. Most sponges reproduce sexually. However, some can be propagated by budding or regeneration of fragments.
What are the two types of body support structures for sponges?
Sponge spicules: Structural elements found in most sponges that provide skeletal-like structural support. Sponge spicules can be made of silica or calcium carbonate. Flagella: A whip-like structure attached to the ends of choanocytes. They pump water through the body of the sponge.
What is the most common sponge body shape?
Lucon sponges are the most complex and most common of the sponge body forms. These sponges have multiple dermal holes and can have multiple oscrams. The opening leads to a canal leading to a chamber lined with choanocytes, and then to a canal that has flowed out.
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