The job of the Golgi apparatus is to process and bundle macromolecules like proteins and lipids as they are synthesized within the cell.
If by magna you mean magnitude, then this is false. By increasing magnitude, you decrease the diameter of the field.
Answer:
Charles Darwin's theory of evolution states that evolution happens by natural selection. Individuals in a species show variation in physical characteristics. As a consequence those individuals most suited to their environment survive and, given enough time, the species will gradually evolve
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The semicircles are probably the longitude and the latitude, if that what you are talking about.