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Due toresource partitioning, zebra relative density changes over time and grass height.What is resource partitioning?Resource partitioningis the process by which due to natural selection, competing species use different resources and niches.In the case ofAfrican savanna, right after peak rain all the three grazers (zebra, wildebeest, and Thomson’s gazelle) have high density.After rain in one monthrelative densityof zebras is maximum but it becomes nearly zero after three months due to high density of wildebeest and then increases a little after six months.The density of zebras is greatest when the grass istallestand most abundant because of resource partitioning as zebras get the most out of eating tall grass.Zebras can eat anddigest fastertaller grasses with many stems.This gives them an advantage over other grazers in terms of nutrition when the grass is tall.Learn more aboutresource partitioninghere:brainly.com/question/15686970#SPJ4...