Help please I’ll really appreciate it

Natural selection acts on populations through a specific trait. which statement must be true about that trait? question 6 options: the trait is passed on genetically to the next generation. the trait has little impact on survival. the trait is the same for all organisms. the trait is resistant to mutations.

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false