Answer:
Bacteria can have one flagellum or several.
You could prevent it by not seeing it as much
Answer:
1. Either porifera or asymmetrical
2. Invertebrate
3. filtering
4. Axis
5. I don't know this one, I'm sorry.
6. Exoskeleton
7. Cold-Blooded creature
8. Vertebrate
9. Endoskeleton
10. Warm-blooded animal
Good Luck! Hope I wasn't too late.
I think that’s substitution
