Which of these organisms contains no specialized cells?

Option C, Paramecium

Explanation:

Complete question

Which of these organisms contains no specialized cells?

a. Sea anemone

b. Jellyfish

c. Paramecium

d. Sponge

Solution -

Paramecium consists of only cell and hence the chance of it having specialized cells is nill. Its size is somewhere around between 50 to 300 micrometer. It belongs to kingdom Protista and is a single celled eukaryote. While on the other hand sea anemone, sponge and jelly fishes are multicellular with various special structures such as tentacles, cilia, flagella. Hence, these three must be having specialized cell.