Would a light source be considered an internal or external stimulus?

External stimuli are changes outside the body, or knowledge that is passed to us through our senses. This could be cold or hot weather, light levels, or danger. Internal stimuli are changes to conditions inside the body, such as dangerous food in the stomach, viruses in the body, or lack of food or water.

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

the titanic would be the correct answer