Given a scientific question, generate a correct answer to it.

Q: What are the three types of symbiosis?

A: mutualism, parasitism, commensalism
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Q: Photoautotrophs and chemoautotrophs are two basic types of what?

A: autotrophs
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Q: During karyogamy, the haploid nuclei contributed by the two parents fuse, which produces what?

A:
diploid cells
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