Question

spirochetes are
1. A class of insects
2. A class of viruses
3. Bacteria
4. Fungi​

Answer 1

Explanation:

Spirochetes are a group of six genera of spiral-shaped, slender bacteria of varying length. They are either free-living or host-associated. They are found in the human oral cavity, gastrointestinal tracts of humans, mammals, insects, and in marine environments.

Answer 2

Answer:

bacteria...... ................