Question

how can bacteria overcome unfavorable conditions

Answer 1

Bacteria overcome unfavourable conditions  form spores,which are a condensed and protected collection of cells that are capable of re-growth.It protects the bacteria from harsh environments.

Answer 2

Basically, it is difficult for an organizm to adapt or live in unfavorable conditions. But, bacteria can live in unfavorable conditions by forming a CYST around its body. The cyst helps the bacteria to survive in extreme unfavorable conditions.