Read the KSA multiple times. I have sat on TPWD interview panels for Wildlife, State Parks, Inland Fisheries, and Communications. They will typically end up interviewing 6-10 people (whittled down from 200+ applicants, a supervisor position will be about a 1/3 that). Usually 1 will stand out, and 1 or 2 others will be 1B and 1C. 2-3 will be in the "can do the job, but doesn't match something category" (ie flat out weirdo). And 3 that you seriously wonder how they made it through HR, and did they read the job description.
If you make it to the interview, go over the KSAs carefully. People tend to think TPWD interviews are the easiest they have ever done (prep), or the hardest. There will generally be at least one question related to each one. Now here is the thing, you have to be prepared for a simple "tell us about your knowledge and experience with ____", a scenario, or a flat out skills test with related that KSA....Two examples for computers skills, I have seen the following tank candidates. "Tell us your experience with the Microsoft Office suite of products?" In this format, get to the point and answer in less than a minute, otherwise you are BEing. Or "Here is an Excel spreadsheet with data, please solve for the for the following ____, ____, and ___". Or my personal favorite "Here are 5 PowerPoint slide for a maintenance training session you are giving in 15 minutes, make them audience friendly and use the slides in a 5 minutes presentation to the interview panel". For knowledge of habitat management in the state park, it might be something like "Aldo Leopold identified 5 basic wildlife management tools, what are they, and which ones do you find most applicable to Huntsville SP?" I have seen tool id and usage tests, plant ID tests. Reading the KSAs, you should be able to guess what kind of question is suited to that particular KSA.
Ironically, my current supervisor was the Huntsville SP Superintendent for about 5 years. But he is 15 years removed from TPWD.