1. Erosion
2. Ecology
3. Pollution
4. Smog
5. Extinct
6. Contour
7. Plankton
8. Solar
9. Conserve
10. Preserve
If i am not mistake i believe it is nuclear
This is called the posterior nasal aperture
There is no absolute reason as to how they survive besides organisms learning to adapt. In order to live in a polluted environment the animals have to survive and learn to adapt.