Which of the following is not correct Sponges

Which of the following is not correct

Options

(a) Sponges have tissue level of organisation (b) Organ level of organisation is found in platyhelminthes (c) In annelids,arthropods,mollusus,echinoderms and chordates organ system level of […]

Simple tissue is defined as

Simple tissue is defined as

Options

(a) group of similar cells which are common in orgin (b) different types of cells performing same function (c) different type of cells performing different function (d) […]

Compond tissue is defined as

Compond tissue is defined as

Options

(a) Similar types of cells held together by connective tissue (b) different types of cells which are different in structure and function (c) different types of cells […]

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