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What types of spicules give a sponges body support?
Sponges have different types of spicules that provide support to their bodies. These can be made of calcium carbonate, silica, or spongin. Calcium carbonate spicules are needle-like and provide rigidity, while silica spicules are more delicate and form intricate structures. Spongin spicules are organic fibers that give flexibility to the sponge's body.
What is Demospongia?
The Demospongiae are the largest class in the phylum Porifera. Their "skeletons" are made of spicules consisting of fibers of the protein spongin, the mineral silica, or both. They contain 90% of all species of sponges.
How are worms and sponges different?
Worms are multicellular organisms belonging to the animal kingdom, while sponges are multicellular organisms belonging to the animal phylum Porifera. Worms have bilateral symmetry and a digestive system, while sponges lack symmetry and have a porous body structure supported by spicules or spongin fibers.
What function might spicules provide?
Spicules in some marine organisms, such as sponges, provide structural support and protect against predators. They can also aid in capturing food particles by creating a mesh-like structure that traps prey. Additionally, spicules can serve as a defense mechanism by deterring or injuring potential predators.
What class does a finger sponge belong to?
Kingdom: AnimaliaPhylum: PoriferaClass: DemospongiaeSubclass: CeractinomorphaOrder: PoeciloscleridaFamily: MicrocionidaeGenus: HolopsammaSpecies: laminaefavosa
Why would spongin and spicules discourage predators from eating sponges?
spongin and spicules are the sponges body support and defence
Do spongin are made of silica spicules?
No, spongin is made of a scleroprotein and not silica spicules. Silica spicules are found in the skeletal structure of some sponges, providing structural support. Spongin is a fibrous protein that also helps provide structural support to certain types of sponges.
How do spongin and spicules discourage predators from eating sponges?
Spongin and spicules are the sponges body support and defence. They both cover a sponge, and if a predator eats it it will be hurt. It will be hard to eat it, because of the sharpness and roughness of the outside. Well at least in the spicules case.
How spongin and spicules discourage predator from eating sponges?
Spongin and spicules are the sponges body support and defence. They both cover a sponge, and if a predator eats it it will be hurt. It will be hard to eat it, because of the sharpness and roughness of the outside. Well at least in the spicules case.
What type of sponge material supports a sponges body structure?
A network of spongin or spicules.
What types of spicules give a sponges body support?
Sponges have different types of spicules that provide support to their bodies. These can be made of calcium carbonate, silica, or spongin. Calcium carbonate spicules are needle-like and provide rigidity, while silica spicules are more delicate and form intricate structures. Spongin spicules are organic fibers that give flexibility to the sponge's body.
What is the main difference between the classes Hexactinellida Calcarea and Demospongiae?
In calcarea spicules are calcareous, in hexactinellida spicules are silicious and hexa radiated, in demospongiae spicules are absent but spongin fibres are present. that's why demosponges are used as bathroom sponges
What 2 materials may compose a sponge skeleton?
1. spicules (calcium carbonate or silica) 2. spongin (protein)
What protein makes up a sponge?
The flexible protein fibers that make up a sponge are called spongin. The hard, tiny spikes found in sponges are called spicules, and they are made of silica or calcium carbonate.
Infer how spongin and spicules discourage predators from eating sponges?
Spongin is a tough, fibrous protein that provides structural support to sponges, making them difficult to consume. Spicules are tiny, needle-like structures made of calcium carbonate or silica that can be sharp and harmful if ingested by predators. Together, these structures make sponges unpalatable and unattractive to most predators.
What is Demospongia?
The Demospongiae are the largest class in the phylum Porifera. Their "skeletons" are made of spicules consisting of fibers of the protein spongin, the mineral silica, or both. They contain 90% of all species of sponges.
What is the class of the mermaid's glove sponge?
The class of the mermaid's glove sponge is Demospongiae, which is the largest and most diverse class of sponges. They are characterized by having a skeleton made of spongin fibers or siliceous spicules.
