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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.
Only one type of tree produces an acorn, but this includes more than 500 individual species. An acorn is technically a fruit because it houses a seed, but due to its hard outer shell itâs classified as a nut. This nut is specific to trees in the Quercus genus, collectively referred to as oaks.