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only one opening at the mouth which both takes in food and expels waste.
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∙ 13y ago
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Do clams have complete or incomplete digestive tracts?
incomplete
What have incomplete digestive systems?
Planarian
Have an incomplete digestive tract.?
planaira
What is a digestive system with only one opening called?
A digestive system with only one opening is called an incomplete digestive tract. Organisms with this type of digestive system ingest food and eject waste through their mouth.
Do birds have a complete or incomplete digestive system?
Planarian
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.
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.
What part connects the mouth to the digestive tube?
The part that connects the mouth to the digestive tube is called the pharynx.
What is the digestive track?
The digestive track is a long twisting tube from the mouth to the
How does a digestive sac differ from a digestive tube?
has only a single openning
What kind of digestive system does a hydra have?
i think a hydra has a incomplete digestive system called the-gastrovascular system
Is tube rose a complete or incomplete flower?
Complete
