B.Nucleus is the cell part that contains an organism's genome.
The thing that makes a thing living is that they are made of cells, use and obtain energy, grow and develop, and living things respond to their enviroment.
Answer:
Correct me if I'm wrong but I'm pretty sure it is B, Four
Explanation:
A.) Organic fossils. I hope that's right
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Answer:
Autotrphic means that the organism can produce their own food through photosynthesis.