NEET BIOLOGY

Detailed explanation-1: -The balance of an ecosystem can be disrupted by natural or human-caused disturbances. If a species disappears or a new species is introduced it can shift an ecosystem to a state of ecological imbalance. Examples are invasive English ivy and dam building or overfishing of salmon.

Detailed explanation-2: -Agricultural waste is waste produced as a result of various agricultural operations. It includes manure and other wastes from farms, poultry houses and slaughterhouses; harvest waste; fertilizer run-off from fields; pesticides that enter into water, air or soils; and salt and silt drained from fields.

Detailed explanation-3: -Agricultural wastes include crop residues, weeds, leaf litter, sawdust, forest waste, and livestock waste.