There were plenty of plants when animals came to land. All invertebrates were established by the end of cambrian period. If your interested in learning the origin of several animals like reptiles and amphibians check out this essay written that gives us a little more understanding on this. http://www.yourarticlelibrary.com/evolution/evolution-of-animals-essay-on-the-evolution-of-animals/12418/
Did u know that us humans have the same bones as dogs and whales but just in another structure? Did u know that we might have came from the same ancestor? Check out more neat facts and evidence as to how all of this is true. https://www.khanacademy.org/science/biology/her/evolution-and-natural-selection/a/lines-of-evidence-for-evolution
We are all told that us humans come from apes but is that really the case. Check out this debate that occured to really catch peoples attention.
Learn how lizards started off and then adapted to their environment to evolve into what we find them to be today. Watch this video to learn more about their suvival rates as they evolved https://m.youtube.com/watch?v=jkGGcN5kSoQ