Question

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

Answer 1

answer is b

Step-by-step 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.