Question

Which organism is not multicellular and does not display a vertebral column?

A. human
B. koala
C. flatworm
D. paramecium

Answer 1

answer is d:paramecium

Answer 2

D: Paramecium

Step-by-step explanation:

Paramecium is a unicellular organism with a shape resembling the sole of a shoe. It ranges from 50 to 300um in size which varies from species to species. It is mostly found in a freshwater environment. It is a single-celled eukaryote belonging to kingdom Protista and is a well-known genus of ciliate protozoa.