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What are the skeleton components possibly made of that sponges may have although sponges do not have a skeletal system?
Although sponges do not have a skeletal system they do have skeleton components that may be made of silicon or lime. A sponge is found in the ocean and is a hollow tube that has several large pores throughout it.
Taste buds are found on projections called?
Papillae
What do you called the tiny finger like projections found in the small intestines?
villi
What are some paddle like projections found in some eukaryotes called?
Cilia
What spicules made of?
Spicules are made of calcium carbonate or silica. These are tiny, needle-like skeletal structures found in marine sponges that provide support and protection to the organism.
What is spicules?
Spicules are spiny structures of sponges, used to harden their outside and deter predators, making them harder to chew and digest. They can be made of a range of substances including silicium (glass!).
Do sponges have hydrostatic skeletons?
Sponges do not have hydrostatic skeletons. Instead, they possess a simple body structure supported by a matrix called mesohyl, which contains various cells and skeletal elements like spicules and collagen fibers. This structure provides support and helps maintain the sponge’s shape, but it lacks the fluid-filled cavities characteristic of hydrostatic skeletons found in other animals. Thus, sponges rely on a different mechanism for structural support.
What is a spicule?
Spicules are spiny structures of sponges, used to harden their outside and deter predators, making them harder to chew and digest. They can be made of a range of substances including silicium (glass!).
What are short hairlike projections used for locomotion called?
Short hairlike projections that are used for locomotion are called cilia. Cilia are normally found on unicellular organisms and not multicellular organisms.
What material is found in the skeleton of all sponges?
All sponges have a skeleton made of a protein called spongin or mineralized structures composed of calcium carbonate or silica.
A specialized cell found in a skeletal muscle is called a muscle fiber?
true
Where are sponges found?
sea sponges are found in mostly in salt water, but a few live in fresh water.
