Question

Write About Metazoa
answer in detail​

Answer 1

Answer:

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Explanation:

Today Metazoa encompasses all animals with differentiated tissues, including nerves and muscles. They evolved from the protists approximately 700 million years ago. ... This evolution occured sometime during the Precambrian period; the oldest known animal fossils were discovered in Precambrian rocks in 1946.

Answer 2

Metazoa encompasses all animals with differentiated tissues, including nerves and muscles. They evolved from the protists approximately 700 million years ago. ... This evolution occured sometime during the Precambrian period; the oldest known animal fossils were discovered in Precambrian rocks in 1946.