The Equator is an imaginary line that divides the Earth into the Northern and Southern Hemispheres, running at 0° latitude. Spanning 40,000 kilometers of latitude, the equator passes through 13 ...

So why is the temperature so different in different places? There is an imaginary circle called the equator that divides the Earth into two parts. The Sun is our heat source here on Earth.

The spindle is necessary to equally divide the chromosomes in a parental ... back and forth until they align in a plane along the equator of the cell, which is called the equatorial plane.