Nitrogen is the most important component of DNA, protein, enzymes etc. Its recycling in the atmosphere is necessary, beacuse free nitrogen in the atmosphere balance the atmosphere composition. In soil it is important for fertility needed for plant growth. In heterotrophs it is an essential component of organic compounds.
The place you would find the most mature sepermatozoa in a male reproductive system would be (B). in the ductus deferens and ejaculartory duct
The correct option is C.
The organism level of the ecosystem describes the survival of a particular member of a specie in the ecosystem. An organism has to interact with both the biotic and the abiotic components of the ecosystem in which it founds itself in order to survive.
The sheer force of water hitting the banks<span> and bed of a </span>river causing<span> material to be dislodged and carried away ... An</span>overhanging cliff<span> that is found </span>on<span> the outer bend of a meander that is created due to lateral erosion of the </span>bank river<span>.</span>