Please read the whole of Chapter 21 (on subject-verb agreement) in The Bedford Handbook (this is pages 295-307).
The Bedford Handbook is available at: https://sowersohs.wordpress.com/wp-content/uploads/2016/08/bedford-handbook-9.pdf – or just put “Bedford Handbook pdf” into Google and click on the first link.
Then type out the whole of Exercise 21-2 (on pages 306-307). You have to type out the paragraph on Loggerhead Sea Turtles and pick the right verb forms. Upload as a file, with the verbs you chose IN BOLD.