The reason I said that you are wrong is because no
It would be called a biome, like a tundra or a desert.
If a scientist is planning to carry out such an experiment it wouldn't be appropriate to go and test this right ahead without any serious protection. It is always advised that scientists first collect data after they've created their initial hypotheses and read the required literature.
Both answers b and d are macromolecules so either one would be correct. personally i would put b
All can destroy bacterial cell walls.
