Q: Some what which live off a host kill it, but most do not?
Options:
- (A) offspring
- (B) pets
- (C) poisons
- (D) fungi
- (E) Leptospirosis
- (F) bacteria
- (G) animals
- (H) organisms
Let's think step by step below.
Some parasites kill their host, but most do not. Parasites are organisms which live off a host. Some organisms which live off a host kill it, but most do not.
Thus, the answer is (H).