answer few questions after watching a video about sea turtle

the video link: https://www.youtube.com/watch?v=IgkXlnqiVQE&feature=emb_title

Each of your answers only needs to be a few words, but please include a link or citation of where you found your information for each question. You can just copy and paste the link(s) after your answer, or number them as a list at the end.  

the questions is in the file below.