Which process must the cell undergo to have genetically different cells at the end of the cell division
meiosis?

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

During convection, less dense fluid rises and denser fluid sinks.