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Do clams have complete or incomplete digestive tracts?
incomplete
Do birds have a complete or incomplete digestive system?
Planarian
Do clams have a complete or incomplete digestive tract?
They have complete digestive system.
What is true for both incomplete and complete digestive systems?
An incomplete digestive system (found in certain lower invertebrates like Cnidarinas, i.e. hydra, marine jellyfish, and Platyhelminthes, i.e. flatworms) is where a single opening to a pouch-like cavity serves as both mouth and anus. A complete digestive system (all insects have them) means that food processing occurs within a tube-like enclosure, the alimentary canal, running lengthwise through the body from mouth to anus.
Is the crayfish digestive tract complete or incomplete?
The crayfish digestive tract is complete. It consists of a mouth, esophagus, stomach, and intestine, allowing for the digestion and absorption of nutrients from food. The waste is eliminated through the anus.
Is the planaria digestive tract complete or incomplete?
Mammals have a complete digestive tract, it starts from mouth to anus. Although each species have some different type and length of tract, they have esophagus, ventriculus, intestinum which function to support a complete food metabolism. Besides, some digestive glands also support this function.
What has an incomplete digestive system?
An incomplete gut only has 1 opening. Basically if something has an incomplete gut, it has no anus, and all food that it takes in must either be completely digested, or re-excreted through the mouth.
Do a Cephalopods have an incomplete digestive system?
well first of all, DOES not do, and no they have a complete digestive system, which mean they have both a mouth and anus that are seperate
Does a jellyfish have a simple or complex digestive system?
Jellyfish have a simple digestive system. They have a digestive cavity with cells lining the wall that carry out the digestive function.
What is the first phylum with a complete digestive system?
incomplete= cniderians and platyhelminthes complete = every other metazoan. e.g. nematoda, mammals, etc
Does a Jellyfish have a digestive system?
Yes
What have incomplete digestive systems?
Planarian
