haileyrae187
04.12.2020 •
Biology
Which organism is not multicellular and does not display a vertebral column?
A. human
B. koala
C. flatworm
D. paramecium
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Ответ:
D: Paramecium
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.
Ответ:
4
Explanation: