Question

The Earth is populated mostly by single-celled organisms, such as bacteria. However, there are many multi-celled organisms as well. Which of the following is a multi-celled organism?
A.
insect
B.
human
C.
flower
D.
all of these

Answer 1

The answer D all of the above.

Answer 2

Answer is D. All of these

Multi-cellular organisms are those organisms which are composed of more than one cell. Insects, human and flowering plants are multicellular, eukaryotic organisms. They have organ systems to perform life processes. Whereas, bacteria are unicellular organism performing all the life activities in single cell.