It's the upper part of the plant, through photosynthesis, that provides all the other types of compounds to the plant and its fruit regardless of where the plant's roots are growing.
(It; 's; the upper part of the plant, through photosynthesis, that provides all the other types of compounds to the plant and its fruit regardless of where the plant's roots are growing) (the upper part of the plant, through photosynthesis; provides regardless; all the other types of compounds; to the plant and its fruit) (the plant's roots; are growing; )
It the upper part of the plant, through photosynthesis the plant's roots
's provides regardless are growing
the upper part of the plant, through photosynthesis, that provides all the other types of compounds to the plant and its fruit regardless of where the plant's roots are growing
all the other types of compounds to the plant and its fruit