Frost is capable of damaging the flower buds and blooms of fruiting plants to the extent that the plants will not bear fruit.
Answer:
A reason why your plants might be under-producing is the weather. Unusually hot, cold, dry, or wet conditions can interfere with fruit production. Wind and heat can dry out soil and scorch plants.
Why can’t your body heal an amputation, such as the loss of a finger, the same way it can heal a cut?
Answer:
For a limb to regenerate, you need bone, muscle, blood vessels and nerves. There are adult stem cells, a kind of undifferentiated cell that can become specialized, that regenerate muscle, but they don't seem to activate.