The answer is Psychoneuroimmunology.
This is the study pf the interactions among behavioral, neural and endoicrine, and immune processes. The brain communicates with the immune system through the autonomic nervous system and neuroendocrine activitry.
The two categories would be Biotic and Abiotic
abiotic factors.
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Answer:
c. energy flows from primary producers to consumers, in one direction only
Answer:
I think it is the last one D
