Carbo dioxide, water and sun's energy comes fron the outside.... energy and Oxygen molecule are produced
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.
There were two approaches for the planetary paths. The idea about the planets revolving around the Earth, the planetary paths were plotted and were erratic. It was not relevant to the laws of motion and gravity. That fact was neglected by the believers in an Earth-centered Solar System.
Sun-centered Solar System was theorized by Copernicus. The paths assumed to be relatively circular (or elliptical).
Answer:
organisms have the amazing ability to make (produce) their own energy-rich food molecules from sunlight and simple chemicals.
Explanation:
Pollution, burning fossils, undrinkable water
