What is the difference between phonological awareness, phonemic awareness, and phonics?

DQ 1: What is the difference between phonological awareness, phonemic awareness, and phonics? How does each concept build upon each other? Provide two examples that show the progression of these literacy concepts. 

DQ 2: How does segmentation differ from blending? Provide an example of each. Why do children often struggle with these phonemic awareness skills? What is a specific strategy you can utilize to help students in this area? Provide details in your example.