Answer:
What is the difference between microevolution and macroevolution? Microevolution deals with changes in the gene pool of a single population. Macroevolution considers the broad pattern of evolutionary change over long periods of time and includes the origin of new groups.
Jungermanniaceae family ex. Liverwort can with stand the high level of nitrogen in the outer surface of the volcanoes.
C. Sedimentary Layers, sedimentary rocks are created as a result of high pressure :)
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Having genes with related function in one transcription unit is important because such transcription unit will have a single on and off switch. This switch can control expression of this group of genes in a more coordinated manner than when each gene has its own regulatory system. It ensures that these genes are transcribed together as a unit and therefore there functions are highly coordinated since they are related.