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What characteristic is shared by cnidarians and flatworms?
a digestive system with a single opening
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.
A cavity that serves both digestive and circulatory purpose in some cnidarians?
A cavity that both digestive and circulatory serve are called cylindrical. This is the purpose of cnidarians.
How do cnidarians digest their food?
Extracellularly in a digestive cavity.
Do cnidarians have nerves?
cnidarians have no nervous system
What do flukes have in common with the cnidarians when it comes to digestion?
Both flukes and cnidarians possess a gastrovascular cavity for digestion. This cavity serves the purpose of digestion and distribution of nutrients throughout the organism's body.
Name and describe the type of digestive space found in a cnidarians?
cnidarians are symetricle creatures with small stomachs that are often detachable such as a starfishes
Which system is more advanced in cnidarians than in porifera?
The nervous system. Cnidarians have a neural net, but porifera do not.
What body system does the intestines belong to?
The body system that the colon belongs to is the digestive system. The colon is also known as the large intestine.
What kind of circulatory system do cnidarians have?
None
What is a cnidarians muscular and skeletal system?
KODY
Do cnidarians use one-way or two-way digestive systems or neither?
2 way digestion
