<span>Zygomatic major is the primary muscle that elevates the corners of your mouth.</span>
Maybe biosphere and geosphere?
The kind of knowledge that Rhonda used in the situation above is TACIT KNOWLEDGE. Tacit knowledge is not learned, it an inborn type of knowledge that helps one to understand and relate with other people as needed. Tacit knowledge usually have its foundation in one's belief, culture, value, mental models, skills, etc.
The primary organ of digestion and absorption is the intestines.
Closest I found was 'species that is harmed in a symbiotic relationship in which another species benefits - host'
