Yes, all ecosystems need to have a top predator (quaternary consumers) so that the cycle of the food chain can stay complete.
1
) Sea Floor Spreading <span>a process by which molten material erupts at mid-ocean ridges and is split and spread by later erupting molten material</span>
Answer:
It is the practice of farming such as cultivation and rearing animals to provide food.
Explanation:
Agriculture is the science of farming. :)
Answer:
AA (I^A I^A) or AB (I^A I^B) or AO (I^A I^O) or BO (I^B I^O)