The ultimate source of energy to support most life on earth is Sunlight.
I think the answer is C, because repeating an experiment would mean the result is more accurate when done more then once. i learned this in around 7th grade, I hope it helps! (:
The movement of Ions or molecules across a membrane from low concentration to high concentration. Which requires energy.
<span>The correct answer is Some plant and animals are restricted to a particular habitat. That means that they would not be able to live in other habitats either because of natural predators that would eliminate them or because they would ruin the ecological system if they were to interfere with the natural order of things. Things like climate might also affect this.</span>
The observed the pairing under a microscope!
hope this helps, Castonmehi! :)
