What is a chemosynthesizer?

Many microorganisms in dark regions of the oceans use chemosynthesis to produce biomass from single carbon molecules. Many chemosynthetic microorganisms are consumed by other organisms in the ocean, and symbiotic associations between chemo synthesizers and respiring heterotrophs are quite common.

Explanation:

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.