Why would fossils found at the top of a canyon probably be younger than those found at the bottom of the canyon?

What type of cell is produced after fertilization occurs and the gametes combines ?

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?