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Cnidarians have a radial symmetry.
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What are the main characteristics of sponges cnidarians and worms?
Sponges are invertebrate animals that usually have no body symmetry and never have tissues or organs. Cnidarians use stinging cells to capture food and defend themselves. Flatworms are flat and as soft as jelly. Unlike cnidarians or flatworms, roundworms have a digestive system that is like a tube, open at both ends. Earthworms and other segmented worms have bodies made up of many linked sections called segments.
Are cnidarians protostomes?
No, cnidarians are not protostomes or deuterostomes. They fall under (the unranked taxonomic level) Radiata, while both superphylum Deuterostomia and Protostomia are under the (unranked taxonomic level) Bilateria. Features of Bilateria include bilateral symmetry (at some point) and three distinctive germ layers, while Radiata only has two.
Are cnidarians arthropods?
Cnidarians and Sponges are invertebrates
Are cnidarians warm-blooded?
No. Cnidarians don't even have a circulatory system.
What kind of symmetry do sea slugs have?
Crustaceans, like all arthropods, have bilateral symmetry. This means they have symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side.
What is the symmetry for cnidarians?
radial symmetry
A characteristic of cnidarians is that they are?
They're named from there body symmetry
Cnidarians such as jellyfish have radial symmetry. How are the body parts of cnidarians arranged?
like spokes on a wheel
What symetry do cnidarians have?
Some have asymmetry, but most have radial symmetry.
What is the simplest animal to have body symmetry and specialized tissue?
Cnidarians
Which characteristic do scientists use to classify cnidarians?
Radial symmetry
What is the difference between Cnidaria and cubazoa?
Cubazoa are a group of cnidarians. Cnidarians are animals that have radial symmetry and are usually venomous or poisonous.
What adaptation does a jellyfish have?
Radial symmetry is the main one that distinguishes cnidarians from porifera.
According to the diagram below which animal class or classes have radial symmetry?
Cnidarians and echinoderms
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 do the two body plans of cnidarians different?
Radial symmetry is like spokes on a wheel. Bilateral symmetry is like a human body, cut in half (2).
What does cnidarians look like that makes it different from other invertebrate groups?
Most cnidarians have tentacles with stinging cells surrounding their mouth. The mouth is the only body opening. All cnidarianshave radial symmetry.
