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Boom and bust cycles of acorn production do have an evolutionary benefit for oak trees through âpredator satiation.â The idea goes like this: in a mast year, predators (chipmunks, squirrels, turkeys, blue jays, deer, bear, etc.) canât eat all the acorns, leaving some nuts for growing into future oak trees.
Quick Answer. All species of oak trees produce acorns. Acorns contain one seed, on rare occasion two seeds, encased in a shell. They range in size from 1 to 6 centimeters long and 0.8 to 4 centimeters wide. Depending on the exact species, acorns take up to 24 months to mature.