Adding onto the 'you have to make decisions about lighting and composition', by making those choices, you develop an ability to observe, as well as style and the ability to understand other people's styles on a more fundamental level. An interesting exercise is to make a photo of a given object, then draw a picture of the…
In real life you get to see the real forms of things. Forms can be really deceptive when you looks at still photo. Especially if you haven't got a good understanding of human anatomy, you can misinterpret blood vessel into a much larger form for example.
Well that depends. For example if a novice, I wouldn't personally recommend drawing from life initially, simply because without the ability to draw in 2D, it would be counter intuitive too say the very least, a beginner will be able to interpret and/or execute in 3D by drawing the nude human form [ typically ] in its…
While that parts true in that you don't need to see a real life counterpart for everything/reference is fine, I will say that if you apply to a traditional art school you'll find professors can indeed tell a difference in whether or not a student or applicant drew an object from a photo. They usually would rather see…