What portions of the respiratory system are anatomical dead space?

How do environmental factors influence genetic traits? a. environmental factors determine all genetic traits. b. environmental factors can determine if a genetic trait becomes a health issue. c. environmental factors are determined by genetic traits. d. environmental factors have no influence on genetic traits. select the best answer from the choices provided

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Which description provides the best objective summary of the article in the passage?