I would say its between A and D, Hope it helps.
Answer:
Species interactions within ecological webs include four main types of two-way interactions: mutualism, commensalism, competition, and predation (which includes herbivory and parasitism).
Explanation:
Hello!
The correct answer is A, more information is needed, because organisms from both the bacteria and archaea domains are prokaryotic and unicellular.
I hope I helped!