Weegy: This is an example of: allopatric speciation. A squirrel population lives in an area. Over many years, a river in that area grows wider and stronger, eventually forming a canyon. [ The squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. ] (More)

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Weegy: Precision agriculture is also called site pacific agriculture because it is used to reduce fertilized and chemical pesticides by variable-rate operating system. User: Why is precision agriculture also called site specific agriculture? A. Because the technology only works on certain sites. B. Because the technology only works on small segment of fields. C. Bitch because fields typically have many different sites. D. Because growers can separately manage small portions of fields (More)

Weegy: Nitrogen fixation is so important because Symbiotic soil microbes convert nitrogen gas to a form that the plants can use (More)

Weegy: A complex ecosystem that plants grow in best describes soil. User: What did the dust bowl teach us? A. Without increases infield, famines would be more common. B. Nature has the ultimate power to destroy. C. Soil is a resource that must be conserved. D. Plants can't thrive without fertilizer. Weegy: Soil is a resource that must be conserved. - did the Dust Bowl teach us. (More)