Both are unicellular.
ecoli and paramecium are both unicellular and that is the only common characteristic. E.coli is a prokaryotic unicellular organism where paramecium is a eukaryotic unicellular organism. paramecium has a nucleus and ecoli has a nucleoid neither of them produce essential vitamins. contractive vacuoles are present only in paramecium.
The cell wall controls this
Answer:
I think A or B could be a possibility to your answer
Answer: its D
Explanation:
because the ecosystem will change if it causes disease to oak forest.
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Answer: Domesticated Animals.
Explanation: ...