You will be able to create a Layer Mask to modify a picture.
You will be able to modify the layer opacity .
You will be able to add a clipping mask to text.
You should be reading Chapter 4 in your book and doing the assinments at the end of the chapter.
Watch: Magnetic lasso video
Post: Planet of the Apes. assignment using the tools mentioned above and post on Canvas under the Assignments - Planet of the Apes.
Layers are a great way to mix pictures or to modify them.
Pay attention to layer order plus make sure you know which layer you are working on. You might consider locking layers you are no longer working on.
Layer Styles and Clipping Masks
Layers, Opacity, Masks, Modes, Soft Light, Locking Layers