Respuesta :
Answer:
b. One in which one member benefits, and the other is harmed
Hope this helps!!
Answer:
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.