Chapter 21: Plant Structure and Function

Movement of Water Through Plants

Animation depicting how water moves through plant structures, with changeable parameters

http://plantandsoil.unl.edu/croptechnology2005/pages/animationOut.cgi?anim_name=transpiration.swf

(Main Idea: Water and dissolved minerals move through xylem.)

Tree Rings

Video describing research in which tree rings are used as a record of the past

http://www.earth.columbia.edu/videos/watch/108

(Main Idea: Stems support plants, transport materials, and provide storage.)

Leaves

Interactive tutorial describing leaf characteristics and structures

http://www.wisc-online.com/Objects/ViewObject.aspx?ID=BIO1105

(Main Idea: Most leaves share some similar characteristics.)