Phylogenetic Tree of Life -The OpenLearn site used to offer this phylogenetic chart in the shape of a tree as a free poster, but no more. They do have an online version of this same illustration, expandable and with links and an explanatory guide.
This is a great idea for any sort of DIY artwork: trace a simple graphic onto three canvases, and paint. So much more esthetically pleasing than if you were to just trace and paint onto one canvas. Plus i love the whale idea for a little boy room :)
Eric Carle The Very Busy Spider activity! After reading and discussing the story as well as learning about spiders, we"spun" webs. Hole punches in paper plates, black yarn for lacing, pipe cleaner spiders!