The answer is B. Digestive and cardiovascular
A, D, and F because if biotic once it dies it doesnt lose the biotic factor.
Yes you need to call another ambulance because you need to take care of someone with a broken arm , head injury (also unconscious) you would need another ambulance to check on the pregnant woman and man with cuts and scratches.
I think it's either the Forest or grassland though it might be Forest, just saying
