Question

distinguish between complete and incomplete digestive system​

Answer 1

An incomplete digestive system consists of a digestive cavity with one opening. The single opening serves as both mouth and anus. A complete digestive system consists of a digestive tract with two openings. ... The other is the anu

Answer 2

Animals with an incomplete digestive system have only one opening in the digestive tract while the digestive tube in animals with a complete digestive system has two entrances, anus and mouth.

• An organism's digestive system is responsible for breaking down food into simpler forms and receiving energy from it.
• The digestive tract that has only one type of opening is called an incomplete digestive tract. It can be found in organisms that have a cellular aggregation or a blind sac type of organisation. It is observed in Cnidaria, Ctenophora or Platyhelminthes.
• The complete digestive tract is made up of two types of apertures.
• One is the mouth, through which food enters the alimentary canal or the body, and the other is the anus, through which faeces exits the alimentary canal or the body.
• It only appears in creatures that have a digestive tube within a tube degree of body organisation. Eg. Ascehelminthes and chordates.
• Protostome and Deuterostome are the two classifications for organisms with tubes within tube level organisation.
• The mouth forms first in protostomes, followed by the anus.
• Anus forms first in deuterostomes, followed by mouth.