Diabetic retinopathy as a result of chronically high blood sugar can cause blood vessels in the retina to hemorrhage, distorting vision.
The conservation of tillage practices leads to agricultural sustainability by protecting the farmer's crops from insects and other pests, thus, it reduces the need for the farmers to buy pesticides for the crops, since the tillage method prevents insects.
The bottleneck effect is when the population of a species is reduced due to an environmental disaster or human activities. An example of the bottleneck effect is "Insecticide spraying eliminates all but a few of the beetles on an island". For the species to survive, the green beetle will either have to move to a new location and build a new colony or they will have to develop a resistance to the insecticide and then start to rebuild the existing colony
Open ocean of any depth, where animals swim or float freely, is called the pelagic zone.
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The correct answer for this question would be the WHITE RHINOCEROS. The white rhinoceros weighs 5, 100 pounds or 2, 300 kilograms. In the list, the first mammal that is considered as the heaviest is the African elephant which weighs 24, 000 pounds or 11, 000 kilograms and followed by Asian elephant weighing 12, 100 pounds or 5, 500 kilograms. Hope this answer helps.
