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Why are spicules used as a primary characteristic in taxonomy of sponges?
Wiki User
∙ 13y ago
Spicule shapes and mesh structures are essentially the only variable amongst sponge morphology that can be easily differentiated. Sponges are often described as evolutionary dead ends because there is so little variation possible (comparatively) with simple structures and very limited cell types.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoSpicules, like our skeleton, give the sponge structure. Without spicules, Sponge Bob would be Sponge Blob.
Wiki User
∙ 9y agoOne of the largest determining factors in sponge taxonomy is the size, composition, and shape. Sponges are in the Phylum Porifera.
Wiki User
∙ 15y agoSpicules serve as a internal skeleton, and may also help defend against predators (But don't take my word on it)
Wiki User
∙ 10y agoThey make up the skeleton of the animal.
Wiki User
∙ 14y agothey provide structure for the sponge
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Skeletal support in sponges may be provided by?
Skeletal support in sponges is accomplished by means of units called spicules. The two types of spicules are megascleres and microscleres. They can be made of proteins or minerals.
A unique characteristic of animals that distinguishes them from the members of the other kingdoms is that in general animals?
One unique characteristic distinguishing animals from members of other kingdoms is animals have more complex and rapid movements. The movement of sponges isn't more complex.
How can sponges affect human life?
the skeletons can be used as sponges to wash dishes
Which group within kingdom protista probably gave rise to sponges?
Amoebas gace rise to sponges since the wall of sponges contain amoebocytes.
Do the cells of a sponges have cell walls?
No. Sponges are animals and animal cells do not have a cell wall.
What are the functions of spicules in sponges?
Spicules provide structural support.
Why would spongin and spicules discourage predators from eating sponges?
spongin and spicules are the sponges body support and defence
The skeletons of sponges are composed of?
spicules
What are the subgrops of sponges?
calcarea - have calcite spicules, often have calcite exoskeletons glass sponges - silica spicules, no exoskeleton demosponges - silica spicules, may have exoskeleton, made of aragonite if present
What type of animal has cells an osculum and spicules?
Sponges have collar cells, osculum, and spicules.
What type of animals has collar cells and osculum and spicules?
Sponges have collar cells, osculum, and spicules.
What type of animal has a collar cells an osculum and spicules?
Sponges have collar cells, osculum, and spicules.
What kind of animals have collar cells an osculum an spicules?
Sponges have collar cells, osculum, and spicules.
What are the main characteristic of a sponges?
My science teacher said that it is sessile and it reproduces anisexually and some other way
What is the role of spicules sponges?
Spicules, like our skeleton, give the sponge structure. Without spicules, Sponge Bob would be Sponge Blob.
Do cnidarians have spicules?
Cnidarians do not have spicules. Spicules are commonly found in sponges and it is a simply a skeleton which has very tiny splinters that look like needles.
What are the sharp spines called in all sponges?
Spicules
