Why would paramecium be classified as a protozoan?

Question

What are bacteria cell walls made out of?

Answer 1

A paramecium is a protozoan because it is a unicellular, heterotrophic organism that ingests food and moves around on its own.

Forgot you had a second question.
Bacteria cell walls are made of peptidoglycan.
http://www.bmb.leeds.ac.uk/mbiology/ug/ugteach/icu8/introduction/bacteria.html#cell_wall