Bacterial responses to antibiotics are concentration-dependent. At high concentrations, antibiotics exhibit antimicrobial activities on susceptible cells, while subinhibitory concentrations induce diverse biological responses in bacteria.
Observation is broken up into three parts. The first is the date. Then you have the activity and last you have a brief description of what is being observed.
Nematodes<span> are the bacterial feeders, fungal-feeders, plant parasites, predators, and omnivores.</span>
Not really sure on that one but I can answer the question below called Define Osmosis. :)