The most complex sponge body plan is called leuconoid. In these sponges, the canal system forms a more elaborate bifurcation network, where the canal leads to the digestive chamber instead of the sponge coil. 11th. 2015 г.
What is the difference between sponge body plans?
The main difference between each body plan is the complexity of the canal system that pumps water to the animals. These figures show cross sections of the body walls of asconoids, synconoids, and leuconoid sponges. Water flows into the sponge koel through the small holes / small holes.
What is the body plan for the synconoid sponge?
In the synconoid sponge, the mouth connects to a network of canals lined with choanocytes. Water is pumped through the pits and these canals before reaching the sponge koel. Digestion takes place in the canal because there are no choanocytes that line the sponges of the synconoid sponge. The most complex sponge body plans are called leuconoids.
Why is there only one large chamber on the sponge?
This is a very simple structure because the body plan has only one large internal chamber called a sponge coil, which is lined with choanocytes that filter water. Choanocytes serve to nourish the sponge by filtering organic matter from the water.
Does the sponge have a circulatory system?
The flow of water to the sponge body is important not only for feeding and digestion, but also for circulation within the sponge. Since the sponge has no organ system, it has no respiratory or circulatory system.
What kind of body plan does the sponge have?
Sponge has three different body plans: asconoid, synconoid, and leuconoid. Sponge feeding is decisively dependent on some specialized cells in the organism, including: choanocytes, amebic cells, and porosite.
Is the sponge complicated?
It is hard to imagine that a complex organism like a human being is associated with such a very simple animal. However, sponges represent an essential step in the evolution of complex animals. The transition from simple prokaryotes to multicellular complex animals.
Which is the most complicated sponge body plan?
Leuconoid sponges are the most complex in design in that not all chambers are flagellates. Water flowing in through the inflowing canal is selectively pumped through a chamber that is discharged through one of a series of Oscula. Leuconoid sponges are great for increasing the size of your sponge.
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