Question

1. a symbiotic relationship in which one organism benefits and the other is harmed is called
2. a symbiotic relationship where both organism

a food web
quaternary consumers

Explanation:

In biology (a subfield of Natural Science), symbiotic relationships are studied. Parasitism is defined as a symbiotic relationship where one organism (the parasite) benefits at the expense of the other (the host), which is harmed. This matches the description in the question.

Answer:

parasitism