Which of the following is a parasitic relationship ?a Barnacles on the side of a whale b flies biting a cow c
insects hiding in the leaves of a tree D Birds picking the fleas off of a bears back

Respuesta :

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Answer:

answer is b

Explanation:

the answer is b because in parasitism, one benefits while the other is harmed.  flies biting a cow flies benefited while the cow was harmed.