Multicellular organisms with pores are called

Protozoans

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Poriferans

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Arthropodans

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Aves

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Solution

The correct option is B Poriferans
Poriferans are commonly known as sponges. They are multicellular organisms with cellular level of organization. They are sessile and sedentary in nature. These have an exoskeleton made up of either spongin fibers or calcareous or siliceous spicules. The spicules form the skeleton of the body which provides protection. These spicules are formed by sclerocyte cells present in the mesenchyme.
So, the correct answer is option B.

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Similar questions

(a) What are unicellular organisms? Name two unicellular organisms.
(b) What are multicellular organisms? Name two multicellular organisms.

The two kingdoms that include multicellular organisms with distinct organ systems are kingdom _____ and ______.

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