What is not a following factor influencing natural selection

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Talking listening and reacting non verbally are all part of communicating

2polnis which of the following is an advantage of an in vitro experiment?me