Autotrophs are able to live without heterotrophs.
Answer:
Read the Quran. it tells you how did it begin
I think the most involved would be your circular system because since your running fast you need to pump blood. Your muscular system because your moving a lot and your respiratory system because you need more oxygen
Genetically altered meats have been created to have a higher and faster production rate, allowing for more profits to be made by companies, but at the same time allowing more product to reach the consumer, so more Americans can consume meat. This ability to produce more and more quickly is beneficial to growing numbers of people on the planet, as well as for export consumption. Yet, with a higher number of animals comes also comes with more pollution, water usage, as well as the untested and unverified quality of the meat after it has been grown, whether or not it truly is safe for human consumption.
