Some microorganisms can live in the intestines of termites. The termites eat wood, which the microorganisms break down into nutrients. Both the microorganisms and the termites get nutrients from the digested material. What type of symbiosis is this? Explain.

it is a commensalism symbiosis

where the termites benefits from the wood and the microorganism benefits also and also unaffected

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

not sure if this is what you'r looking for eubacteria and archaebacteria