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<em>Organ donation is nothing but the process by which the person donates his/her organ to other person to save the life of a him/her.</em>
Scientific laws do not explain why something occurs or exists or what causes it
A major difference between mammalian spermatogenesis and oogenesis is <span>the number of gametes made per month.</span>
Most heterotrophs are chemoorganoheterotrophs<span> (or simply </span>organotrophs<span>) who utilize organic compounds both as a carbon source and an energy source. The term "heterotroph" very often refers to chemoorganoheterotrophs. Heterotrophs function as consumers in </span>food chains: they obtain organic carbon by eating autotrophs or other heterotrophs. <span>Most </span>opisthokonts<span> and </span>prokaryotes<span> are heterotrophic</span>
Sound would travel faster in a thick piece of metal since the molecules are closer together. However, since there are more molecules, it would be quieter on the other side than the hollow metal.
