The predator-prey relationship is a key factor in balancing the resources in the ecosystem. Population size can be affected if this relationship is not balanced. How does the predator-prey relationship affect population size?

a predator kills off the pray, take the predator away and u get too much prey so they eat all the grass or berries and die of starvation

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

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