What is a parasitic relationship? a. One in which no members benefit, and none are harmed

b. One in which one member benefits, and the other is harmed

c. One in which one member benefits, and the other is unharmed

d. One in which both members derive some benefit

b. One in which one member benefits, and the other is harmed

Hope this helps!!

B

Explanation:

Think of a parasitic relationship as a parasite. One organism lives off of another, benefiting themselves, but not the host. An example would be a leech. A leech might attach itself to a human, sucking off its blood. The leech would benefit in this scenario and not the human.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

i would say it is