What is an adaptation?
A. A mutation that makes an organism unable to reproduce
B. Something an organism is taught by its parent’s
C. Something that helps an organism survive and reproduce
D. A way for an ecosystem to recover after a disturbance

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

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?