3. List the changes that were made to the model in the computer. (Look carefully)

They made the girls skinnier and they would change the skin tone. These photo shoppers were trying to make the girls "prettier."  

4. Is it ethically acceptable to change a person's appearance like these in a photo? Why or why not?

No its not. It's disrespectful to the model. It can hurt feeling and hurt self esteems. 

people should not just be changed completely for the entertainment of others. 

5. Are there circumstances in which it would be more ethically wrong to do this type of manipulation?

Its always wrong. People should not change their faces and hide natural beauty by people who believe they are not. 
6. What types of changes are OK, and what aren't?

Makeup and hair. Just nothing that makes the model look like a totally different person. 
7. Explain what you think the differences are between fashion photography and photojournalism.

Fashion photography, you have to shoot people and clothes. To go with trends or start them. Its for the entertainment. Photojournalism is different because you write about your experiences with shooting and what you learned. It can be about anything. 
8. What relationship does each type of photography have to reality, and how does this affect the ethical practice of each?

Each one shows real things in the world, but for fashion photography its all different you change things to get the trends set and make your company more popular and make more money. 
9. Why do you think I am showing you these three videos?

So we can see the truth behind photoshop and whats its capable of. 
10. Why are none of these videos about guys???

Men editing is less popular because its usually a girls job to sit there and look pretty.