Industrial melanism<span> is the resultant effect of</span><span> </span>industrial pollution on arthropods<span>. The individuals that had a darker pigmentation were more fit to the new environment, more polluted that caused darkened buildings and trees, and were thus favoured by </span>natural selection to survive. Insecticide resistance and antibiotic resistance is also a manifestation of the emergence of new groups of organisms that are resistant to a specific attack out of an existing population, and are therefore favoured by selection to survive over the others.
Using things such as the internet. For example, if a scientist wanted feedback, he could turn to an org of other scientists across the globe and get their help.
Eutrophication is the name given to the natural nutrient enrichment of a shallow lake, estuary, or slow-moving stream. It is caused mostly by runoff of plant nutrients, such as nitrates and phosphates, from surrounding land.