Answer: B. all the nitrogen obtained by animals come from plants.
Explanation:
Animals are unable to use inorganic bacteria until plants absorb it and then animals get it from the plants so in effect, all the nitrogen obtained by animals comes from plants.
Plants absorb nitrogen in the form of Nitrates which were fixed by bacteria from Nitrites which were further fixed from Ammonium which was fixed from atmospheric Nitrogen all by bacteria.
All fungi are heterotrophic, which means that they get the energy they need to live from other organisms. Like animals, fungi extract the energy stored in the bonds of organic compounds such as sugar and protein from living or dead organisms.
Answer:
biological macro-molecules
Explanation:
The most massive part of the atom is the NUCLEUS which has a POSITIVE charge.
(That's why we have electrons to balance the charge)
I hope this helps!
Ethanol produced from bioenergy starts with starch produced by corn and sugar cane :)