C-habitat, the community is all the species combined, the ecosystem is the community with al of the abiotic factors, and the niche is just the animals role in the ecosystem. The habitat is where it lives.
It's A. Fewer anaerobic species
Answer:
D. Chemical - mechanical - thermal
Explanation:
D because the food is chemical and the mechanical is the human excersice, and it results in thermal
Guessing it’s D. Hope this was helpful!
