Photosynthesis will result in gain of energy in an ecosystem.
Answer:
I think it is
A follicle releases an egg into a fallopian tube.
A) gravitropism is how they "know"
Wow! this si a huge question but analyzing all the datils from ths option you give me I have to say that C option: <span>Heat energy became trapped in the atmosphere by greenhouse gases and was used as an energy source in the building of macromolecules, is the one that gets closer to what the scientists have said recently. Take into account for example, the examinations of Dr. Stanley Millers. I think this can help you</span>