Complex sentence: When a tarantulas abdomen is plump, it is more prone to impact damage in the event of a fall, which can lead to the death of a tarantula due to loss of fluids.
Split into simpler sentences: When a tarantulas abdomen is plump, it is more prone to impact damage in the event of a fall. Such actions are likely to lead to the death of a tarantula due to loss of fluids.