What is meant by replication?

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

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

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina