Proteins produced by the immune system to destroy substances containing antigens are called

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Why are current extinctions of concern to enviromentalists?

What happens when a scientific theory is shown to be an accurate description of a phenomenon?