Question

what is the first multicellular organism in world which consist of all life​

Answer 1

Answer:

$\underline{\huge{Answer:-}}$

cyanobacteria....!!

The first evidence of multicellularity is from cyanobacteria-like organisms that lived 3–3.5 billion years ago.

Answer 2

Answer:

Edicara biota was the first multicellular organisms in world