Decomposer, they eat dead organic material
Answer: Paramecium are heterotrophs.
Explanation: Their common form of prey is bacteria. A single organism has the ability to eat 5,000 bacteria a day. They are also known to feed on yeasts, algae, and small protozoa.
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Answer:
a substance that has a ph level less than 7
Explanation:
I think the answer is liver and hepatic portal vein
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