Scientists divide plants into about 35 groups called phyla (one is a phylum). These are some of the more important phyla:
Or, to trace the evolution of different parts of plants from the beginning until now, check out these sections:
Cool stuff we've been enjoying: Looking for birthday gifts? Check out these new Chromebooks - all the computer you need for only $229.00!. Then study in peace with these Beats wireless headphones - for the exact same price! When you're done, show off your presentation or watch a movie with this excellent smartphone projector for only $39.99!