During the Archaean Eon
The first engineered organism is a... well engineer is a guy who works on stuff and organism is a living thing. So engineereed organism must be the first man who fixed a living organism... like a doctor or something. so the answer will be the first doctor which is William Hartnell!
By god!
Read your science book chapter . It is on the first page.
synthia
Multicellular organisms first appeared during the Vendian period.
A living organism
Africa
The simplest living thing is known as cynobacteria. This organism is also thought to be the first organism that thrived on earth billions of years ago.
an living organism
bacteria
RNA (Ribo-nucleic acid)
The biotic or non biotic well known as living things and non living things