Answer:
Compare autotrophs to heterotrophs, and describe the relationship between these two groups of organisms. Autotrophs make their own energy, while a heterotroph must eat another organism to be able to get energy. ... Once the energy flows from the system it gets recycle for future use in other organisms.
Many factors affect water quality
Sedimentation.
Runoff.
Erosion.
Dissolved oxygen.
pH.
Temperature.
Decayed organic materials.
Pesticides.
where would it go? only if an asteroid with water hit the earth the amount might change
<span>Cell division has two checkpoints namely, G1 checkpoint and spindle assembly checkpoint. The checkpoint which determines if division has properly occurred is the G1 checkpoint. At this point, is a damage in the DNA is detected or the has not reach the optimum size, the cell is stopped in G1 and is not allowed to proceed to further process.</span>
it allows them to hold water bc if it is solid