but meanwhile the foxes have been transforming rabbits into foxes, so the population of rabbits rapidly decreases as the foxes increase.
(the foxes; have been transforming; rabbits; into foxes; T:meanwhile) (the population of rabbits; rapidly decreases; as the foxes increase)
the foxes the population of rabbits
have been transforming rapidly decreases
rabbits into foxes T:meanwhile
as the foxes increase