The protozoan so early animals. Do you agree. Give at least two reasons to support the answer.

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Solution

Protozoans are regarded as early or primitive animals because
(i) they exhibit a cellular level of organisation.
(ii) live as predators or parasites and move with the help of flagella or cilia.
(iii) they are microscopic and exhibit a primitive mode of reproduction (fission, budding or conjugation).

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