Incomplete digestive and a complete digestive system system, Biology

Q What is the difference between an incomplete digestive and a complete digestive system system? How are these types of digestive tubes associated or not to extracellular digestion?

Animals with an incomplete digestive system are those in which the digestive tube has only one opening platyhelminthes, cnidarians. Animals with a complete digestive system are those in which the digestive tube has two openings, anus and mouth all other animal phyla, with the exception of poriferans, that do not have any digestive tube.

In animals with incomplete digestive tubes the digestion is mixed it begins in the extracellular finishes and space in the intracellular space, in animals with complete digestive systems extracellular digestion within the digestive tube predominates.

Posted Date: 6/3/2013 3:35:55 AM | Location : United States







Related Discussions:- Incomplete digestive and a complete digestive system system, Assignment Help, Ask Question on Incomplete digestive and a complete digestive system system, Get Answer, Expert's Help, Incomplete digestive and a complete digestive system system Discussions

Write discussion on Incomplete digestive and a complete digestive system system
Your posts are moderated
Related Questions
Consider two species of organisms, species A and species B. Species A has a population in a community. Another population species B arrives into the same community, rather suddenly

What is the evolutionary origin of the internal membranous organelles of the cell? It is accepted that the internal membranous organelles of the eukaryotic, like the Golgi app

what is the excreatory organ of silverfish?

Financing of Healthcare - Constraints One of the major constraints to improve the healthcare delivery system in developing countries is weak public sector management. These ec

VITAMIN - E Also known as beauty vitamin / tocopherol / antisterlity vitamin . Antioxidant because it inhibits peroxide formation. It stops undesired oxidation. It

Define respiration in animals

Blood Collection: Blood for analysis may be obtained from veins, arteries, or capillaries. Venous blood is usually the specimen of choice, and venipuncture is the method for

What are sols?  A colloidal system in which solid  particles are dispersed in a liquid is referred to as a sol, to distinguish it from a true solution. In a true solution, the

how do mature sperm differ from those that are not fully developed

Overgrazing - Degradation of Ecosystem It refers to the condition when the grazing pressure on the vegetation is so intense that it does not recover. Ultimately, there is a lo