Animalscaretips
- What is the importance of Aschelminthes?
- What are economic importance of roundworms?
- What is the special status of phylum Aschelminthes?
- What is the another name for Aschelminthes?
- Why are Aschelminthes known as roundworms?
- What is economic importance of phylum Nematoda?
- What is economic importance of phylum Annelida?
- What are the economic importance of nematodes in agriculture?
- What is the unique feature of Aschelminthes?
- Do Aschelminthes have a circulatory system?
- Which of the following is example of phylum Aschelminthes?
- How many classes are there in Aschelminthes?
- Why Aschelminthes are called Pseudocoelomate?
- What is the excretory organ of Aschelminthes?
What is the importance of Aschelminthes?
Aschelminths can be free-living or parasitic. The free-living organisms are extremely abundant in soils and sediments and they feed on bacteria. While some others are plant parasites and can cause disease in crops that are economically important.
What are economic importance of roundworms?
Although some nematodes are beneficial in the manner in which they break down dead or decaying matter, many are of considerable economic importance: a great number are pests of animals and plant crops, while others are the cause of serious illnesses in humans.
What is the special status of phylum Aschelminthes?
They are mostly aquatic, free-living or parasitic. They are bilaterally symmetrical, unsegmented worms. The body is slender, vermiform and usually worm-like or flattened.
What is the another name for Aschelminthes?
The Aschelminthes (also known as Aeschelminthes, Nemathelminthes, Nematodes), closely associated with the Platyhelminthes, are an obsolete phylum of pseudocoelomate and other similar animals that are no longer considered closely related and have been promoted to phyla in their own right.
Why are Aschelminthes known as roundworms?
The phylum aschelminthes are commonly called roundworms. They are called so because their body appears circular in the transverse cross-section. There are about 15000 species of roundworms.
What is economic importance of phylum Nematoda?
Free-living nematodes in soil are very important and beneficial in the decomposition of organic material and the recycling of nutrients in soil. Bacteria and fungi feeding Nematode do not feed directly on soil organic matter, but feed on the bacteria and fungi which decompose organic matter.
What is economic importance of phylum Annelida?
In addition to improving soil fertility, annelids serve humans as food and as bait. Scientists observe annelids to monitor the quality of marine and fresh water.
What are the economic importance of nematodes in agriculture?
Free-living nematodes are important for any crop production system by protecting nature of soil and other nematodes are extraordinarily lethal to many impor- tant soil insect pests and yet safe for plants and animals and they are used to control many soil inhabiting insects [2,3].
What is the unique feature of Aschelminthes?
They are mostly aquatic, free-living or parasitic. They are bilaterally symmetrical, unsegmented worms. The body is slender, vermiform and usually worm-like or flattened. They are usually small, even microscopic, while some reach a meter or more in length.
Do Aschelminthes have a circulatory system?
The aschelminthes are also known as Nemathelminthes. Roundworms are bilaterally symmetrical. They have an organ-system level of organization. ... These roundworms lack the respiratory and circulatory systems.
Which of the following is example of phylum Aschelminthes?
Aschelminthes Examples
Enterobius vermicularis – Pinworm. Ancylostoma duodenale – Hookworm. Wuchereria bancrofti – Filarial worm. Loa-Loa – Eye Worm.
How many classes are there in Aschelminthes?
Aschelminthes is classified into two classes: Aphasmidia and Phasmidia.
Why Aschelminthes are called Pseudocoelomate?
Aschelminthes are called pseudocoelomates because they do not possess true coelom. The mesoderm is present as scattered pouches between ectoderm and endoderm instead of lining the body cavity as in true coelom.
What is the excretory organ of Aschelminthes?
Excretory organ in Aschelminthes is Renette cell. It is an H-shaped excretory tube.
