Differbetween
hey, Explanation: both porifera and coelenterates remove their waste material through diffusion as they don't have a distinct excretory system!! some exceptions are there!
- What is the excretory organ of porifera?
- What is the excretory organ of Coelenterata?
- Do sponges have excretory systems?
- Do cnidarians have a excretory system?
- How do porifera reproduce?
- How do sponges move?
- What is the excretory organ of scorpion?
- What is the excretory organ in platyhelminthes?
- What is excretion definition?
- Do sponges pee?
- Do sponges have brains?
- How many types of excretion are there?
What is the excretory organ of porifera?
All members of the Porifera phylum lack a distinct excretory system. Instead, these organisms rely on a water flow system to remove waste materials. In Porifera waste products such as ammonia diffuse into cells as water follows through its body.
What is the excretory organ of Coelenterata?
Amoeboid coelomocytes also excretory.
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11th Class Biology The Excretory System Excretory Organs Of Different Organism.
| S.No. | (3) |
|---|---|
| Phylum | Coelenterata |
| Excretory/osmoregulatory Organ/Organelle and principal waste | Ammonia, General surface of body |
| Function | Ammonotelic |
| Example | Hydra |
Do sponges have excretory systems?
Sponges work like a chimney, gaining water via cells throughout their body, then expelling it through the mouth-like osculum at the top. All members of the Porifera phylum lack a distinct excretory system.
Do cnidarians have a excretory system?
In the cnidarians with a thicker mesoglea, a number of canals help to distribute both nutrients and gases. There is neither an excretory system nor organs, and nitrogenous wastes simply diffuse from the cells into the water outside the animal or into the gastrovascular cavity.
How do porifera reproduce?
Sponges reproduce by both asexual and sexual means. Most poriferans that reproduce by sexual means are hermaphroditic and produce eggs and sperm at different times. Sperm are frequently "broadcast" into the water column. ... Inside the female, the sperm are transported to eggs by special cells called archaeocytes.
How do sponges move?
It's a cell that has three basic parts: flagella, collar, and cell body. Sponges use the flagella to move when they are larvae. The flagella and collar work together to gather food. Sponges even use the choanocyte when it's time to reproduce.
What is the excretory organ of scorpion?
Excretion and water balance are interlinked in all terrestrial arthropods, including scorpions. Nitrogenous wastes from protein metabolism are collected by two pairs of Malpighian tubules. They enter the gut at the midgut-hindgut connection. Excretory wastes are expelled through the anus with feces.
What is the excretory organ in platyhelminthes?
A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Flame cells function like a kidney, removing waste materials. Bundles of flame cells are called protonephridia.
What is excretion definition?
Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Do sponges pee?
As the water slows down to enter this smallest of passages, small bacteria and minute plankton are captured by the sponge and digested. The mostly carbon- (poop) and ammonia-based (pee) waste then travels out in the same water current to the osculum where it is “exhaled”.
Do sponges have brains?
They have no brain, and indeed no nerve cells. ... Many organisms do not have true brains, but rather a "nerve net" of neurons scattered through their bodies. However, sponges do not even have that.
How many types of excretion are there?
There are 4 excretory organs in human: The skin, the lungs, the liver, and the kidney (Urinary system). The skin excretes the sweat outside the body through numerous pores in the surface of this organ. Sweat is a mixture of three metabolic wastes: water, salts, and urea.
