Writing Homework Help

I’m working on a writing project and need guidance to help me learn.

Extinction is a normal part of the evolutionary process, but at certain times in Earth’s history the rate of extinction has greatly exceeded that of normal, or background, species loss. Scientists have identified five such events. What caused these five big mass extinction events? What did they have in common and how did they differ? And are we headed for a sixth one? Explore the answers to these questions in this data-rich poster created with the help of Canva’s Poster Maker (https://www.canva.com/create/posters/ (Links to an external site.)).