It is the Flow of energy, where R is the energy used in Respiration by the organisms, whose magnitude with Gross production equals to Net production.
Well, if you take two purebred chickens,and bread them with with each other, the offspring is no longer going to be purebred, so the feathers they have will be a mix of the purebreds.
The answer would be sandstone
Answer:
Deer’s Point of View
What would you do if you did not have clean oxygen to breathe? The air is being polluted because of your factories and car fumes. It’s causing global warming and even negatively affecting the Polar Bears. You need to be aware of the other living organisms and environments. Remember, you can’t turn back time, so don’t wait until many more species are extinct, act now.