Nucleus, rough and smooth ER, mitochondria, and vacuoles.
Herbivores
(Why? Grass-eaters are herbivores.)
Most nitrogen fixation is performed by bacteria, but they are biotic, not abiotic. Lightning does have the ability to fix atmospheric nitrogen.
The part of the phospholipid bilayer that interacts with water would be the hydrophilic portion consisting of the polar phosphate group. The hydrophobic tails which are the fatty acid chains will not interact with the water present in the aqueous environment.
Hey there!
Alleles are different forms of the same gene that are always found on the same position of two homologous chromosomes. This means your answer is going to be option A.
Hope this helps.
Have a great day (: