1. Organism
2. Population
3. Community
4. Ecosystem
5. Biome
6. Biosphere
Answer:
I believe the answer is A...I'm not completely sure but I tried my best to think.
No, it is nowhere near "homeostasis." Perhaps it is a homeostatic mechanism or a natural immunological response of the body.
Answer:
Hey there!
A theory can be best described as an idea that is supported by many different experiments.
Let me know if this helps :)