0
well they have 1 and its open
What else can I help you with?
Related Questions
How many heart chambers do cnidarians have?
This will depend upon the insect that you are talking about. Some have only two chambers and others can have a lot more.
Do cnidarians have an exoskeleton?
Yes; many cnidarians have an exoskeleton.
How many types of cnidarians are there in the world?
Cnidarians do not have legs. Many have stinging tentacles. The number of these varies by species.
Do cnidarians have sight?
Cnidarians do no possess eyes for sight, though many of them are able to sense light vs dark.
How many body openings do cnidarians have?
1
How many layers do cnidarians produce?
200
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
How are cnidarians less complex than annelids or mollusks?
Cnidarians include jellyfish and corals. Cnidarians are less complex than annelids or mollusks because the latter have gills with many layers of tissue.
How many chambers are in a human?
5 chambers
Do cnidarians have nerves?
cnidarians have no nervous system
What is the family for cnidarians?
The cnidarians are in the Kindom family
Is a cnidarians invertebrates?
Yes, cnidarians are invertebrates.
Trending Questions
What time do Walmart in prince Frederick close today?
Do dragonflies eat berries?
Who can nominate you to be in the national American miss pageant?
Name the places where apiculture is done?
How adult hydra attaches to feed?
Do plants need snails to grow?
How long are the common jumper cables?
How long have crickets been around?
What is a tapeworms phylum traits?
What is the pulse of an ant?
Is a praying mantis a mollusk or annelid?
This echinoderm burrows in the sand?
What are short horned grasshoppers adaptations?
How do you get rid of queen anne's lace?
How many species that periodic cicadas have?
What are xenopuses?
What do baby shrews eat?
What is on the outside of a cactus stem?
Who do you get rid of ticks on dogs?
Why do ducks eat water snails and insects?
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.