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What characteristics gives cnidarians their name?
The characteristic that gives cnidarians their name is: cnidarian means "nettle" and nettles are plants that release stinging barbs into the skin. All cnidarians have stinging cell's. Cnidarians have complex tissues, a gut for digesting food, and a nervous system.
Do Cnidarians have radial symmetry and tissues to carry out body functions?
Yes. They are are the first phylum to display cell organization into tissues and the second to desplay radial symmetry.
How many life stages do cnidarians generally have?
Cnidarians have two cell layers with a jelly-like layer in between.
What level of organization do cnidarians belong?
B for Plato users but it is a tissue level of organization
What does the presence of only two tissue layers make cnidarians?
The presence of only two tissues layers makes cnidarians diploblastic. These tissues layers consist of an epidermis (outer layer) and a gastrodermis (inner gut layer). Mesoglea, a type of jelly-like substance is between these layers.
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
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.
How are cnidarians more advanced then jellyfish?
Sponges are less complex because they are just made of individual cells. There is no level of organization past cells in sponges. Cnidarians, on the other hand, have tissues, a higher level of organization. Tissues allow for some forms, like box jelly fish, to have eyes (this is just one of many advantages of tissues). Cnidarians' level of organization stops there though, they have no organs (heart, brain, etc.).
Are earthworms cnidarians?
Nope - Cnidarians are marine creatures !
What is a Cnidarians such as a box jellyfish?
cnidaria(similar to cnidarians)
