Homeostasis is maintaining stability in an organisms internal environment
DNA and Genes are linked because dna is made up of genes in one way or another
This means that a single carbon atom can form up to tetravalent bonds with other atoms
Animal dander would be the answer you're looking for.
Hope this helps :)
The food will be healthier and fresh, but due to it being fresh it will cost more, about a two dollars more than the average price for the unhealthy meal