Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest.
Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus {that is an interwoven filigree of mushrooms and rootlike tentacles (spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest)and连接的,两个分词分别对tentacles 进行修饰,前一个是被动spawned后一个是主动extending.}定语从句