NO.
If you can see it, it has more than one cell. If it has legs or eyes, or appendages of any sort, it has more than one cell. If it has a skeleton or shell of any sort. It has more than one cell. So no, insects are not single celled organisms. But since your ability to form plurals is obviously impaired, you might have trouble telling the difference.
Amoeba is multi celled
it is single celled
protists
Yeast is a single-celled fungi.
Prokaryote cells are always single-celled.
Yes, prokaryotes are unicellular.
To reproduce.
Phytoplankton
single-cell
Reptiles are not single celled because they are not microscopic and they contain billions of cells with in them.
you times the singled celled one by two to get the multicellular organisim
yes they are single celled organisms