Which of the following is true about the single-celled paramecium?

A. It is an example of a higher form of animal
B. It has life functions similar to ours
C. It lacks the ability to circulate
D. It lacks life functions

2 answers

Please list examples of life forms of animals lower than
the single-celled paramecium

https://en.wikipedia.org/wiki/Paramecium
Please do not include political life forms in your list.