Do evolution take many generations to occur?

All else being equal, the more generations you have the more quickly evolution happens. Usually only laboratory scientists studying quickly reproducing life forms, like single celled creatures and some invertebrates, have the opportunity to see evolutionary change happen before their eyes .

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explanation:

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.