Archaebacteria are called ancient bacteria whereas eubacteria are called true bacteria. Unlike eubacteria, archaebacteria can survive in extreme conditions.
I think its because when your upside down, your not breathing right. So its a way of trying to breathe correctly.
Elevation (it uses different colors to show the elevation of different places such as plains and mountains)
A.
Because yellow is more dominant so it’s more common for offsprings to have yellow petals but some of the offsprings will also take some traits of the pink petals so it’s A!