Today, I saw somewhat of a food chain. I saw a rabbit eat the grass, then I saw a rabbit get eaten by a bear.
https://pbs.twimg.com/profile_images/1132120700/Singing_Rabbit.jpg
http://2.bp.blogspot.com/-8fnp6Nt-ODw/T1OYFoIp-gI/AAAAAAAAI8A/SJpg0mFkSls/s1600/Funny+Brown+Bear_1.jpg