PLEASE ANSWER FIRST GETS BRAINLIEST

Answer:
1. molecules
2. Olfaction
3. Genes
4.cilia
5. Nasal cavity
6. Pizza smell, it reminds of food which is good
7. It can have many purposes to small territory, food, mates.
8. Like in #6 a positive association in the limbic system means that youll have a positive association in the plastic system
Answer:
1. Cilia
2. Olfaction
3. Molecules
4. Genes
5. Nasal Cavity
6. I love the smell of sandalwood. My limbic brain plays a big role in my childhood, because when I was younger I used to smell it all the time, and my limbic brains love those memories.
7. Yes, It can help animals when they try to track down prey, navigate in the dark, and stay away from predators.
8. When something smells good it will more likely taste good as well.