Answer:
Technological Diffusion
Fashion/beauty
Explanation:
A Diffusion is the way that a new idea, innovation or management scheme permeates a society no matter the socio-economic status.
Technological diffusion has been a large impact on the food choices we make now since food can be easily ordered via APPs on smart phones. The cleaver way of tracking customers makes it easy for companies to send adds specific to that person's choice based on the websites that they have visited.
The fashion and beauty industry has also experience a diffusion by making products and techniques more affordable and by engaging their audience using persons other than celebrities. This makes the products seem reachable by everyone who willingly engages. Wanting to be beautiful, fit, etc has encouraged individuals to alter the food they eat with the hopes of becoming, healthier, thinner or having more muscle mass etc.
This is how two types of diffusion change the way people eat.
Homeostasis is literally maintaining normal body function. For example, sweating because you are hot, to maintain the right body temperature(which is a body function)c is maintaining homeostasis.