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ebookInstagramMill ect Bio3400Sect5Sp18KONECNY Bio3400Sect5SP18KONECNY instructions I help arians/Radiate Animals) | Save & Exit || Submit Question 1 (of 23) value 4.34 points etic group of single-celled organisms called protozoa. have studied about the polyphyl ned about the multicellular sponges in the phylum Porifera. Now consider the Cnidaria: Look at the list characteristics of the phylum Cnidaria below and pick out the one characteristic that both Porifera and You have also O A nervous system which coordinates actions of the animal O Specialized cells designed to carry out specific functions Tissues O True radial symmetry eBook & Resources Sted.my0rk

Explanation / Answer

Protozoa are simple single celled organisms. While the sponges are simple multicellular organisms. However Cnidarians are more complex than sponges.

They have a simpler nervous system and true radial symmetry. which is similar to protozoans, and the tissue grade of organisation is present in the cnidarians similar to the sponges.

So the options , and 4 are correct

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