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Do clams have complete or incomplete digestive tracts?
incomplete
Is the crayfish digestive tract complete or incomplete?
complete. The crayfish has both a mouth for ingesting food and an anus to expel the waste.
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 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.
Which organism uses the same opening for ingestion and egestion?
Organisms that have only one opening in their digestive tract through which food enters and waste exits are known as having an incomplete digestive system. Some organisms with incomplete digestive systems are jellyfish, sea anemones, flatworms, and corals.
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
