Answer:
Transport of tidal waves and currents
The three chromosomal aberration:
1.) Inversion - breakage of chromosome in two places , the other piece of DNA is re- inserted into the chromosome.
2.) Translocation - the one piece breaks off and attaches to another chromosome.
3.) Deletion - the loss of segment of chromosome.
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Perhaps the most significant factor that affects the biogeochemical cycles in the terms of human involvement is global warming, which disrupts natural cycles on various levels.
If the mutation is beneficial, the mutated organism survives to reproduce, and the mutation gets passed on to its offspring. In this way, natural selection guides the evolutionary process to incorporate only the good mutations into the species, and expunge the bad mutations.
Http://www.healthline.com/health-slideshow/home-remedies-for-head-lice#1
This may help :)
