1- Qualifications and experience
It must be corrected; it presented her job and department.
2- The procedure he /she is responsible for
She said “some laboratory methods regarding in vivo methods of fish” What are these methods?
3- Primary Objective (s) and Background
They used abbreviations without writing full name before such as (PAHs, AHCs).  
4-  Sample size and groups
"Some important fresh fish will randomly and periodically collect from different sites along Alexandria governorate" How many fish will be collected? and when? Each week?, each month? One time?
5- They collected water, sediments, and fishes from two sites in the Mediterranean sea of Alex, based on what; they divided the samples into control and polluted groups? This point needs more clarification.