Plant Structure, Growth, & Development

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Presentation transcript:

Plant Structure, Growth, & Development Chapter 35 Plant Structure, Growth, & Development

Increase surface area to bring in more water and minerals Vertical Growth Angiosperms Horizontal growth Photosynthesis Increase surface area to bring in more water and minerals

Support, secondary cell wall & lignin, dead at maturity Generally unspecialized, only primary cell wall, has large central vacuole to store water and give support Support, secondary cell wall & lignin, dead at maturity Dead at maturity (only the cell wall left), makes up xylem, only angiosperms have vessel elements More rigid primary cell wall, no secondary cell wall, capable of elongation Makes up phloem, sieve-tube have no organelles (like nucleus) so the companion cells are like their “life support”

Primary Tissue

Meristematic Tissue

Cross Sections Animation Helpful animation; good for when labeling slides for lab too! There is no audio for the animation, and it automatically moves through the animation by itself. http://highered.mheducation.com/olcweb/cgi/pluginpop.cgi?it=swf::640::480::/sites/dl /free/0072510846/58644/0015.swf::Secondary%20Growth%20of%20Stems

Secondary Growth I tried to find the best animation I could because I know this can be a difficult concept to grasp without an animation (for me, at least) http://www.cengage.com/biology/discipl ine_content/animations/secondary_growt h_v2.html The video on the right is also another good animation, but it just focuses on the vascular cambium

Leaf Structure Guess what. More animations: http://highered.mheducation.com/olcweb/cgi/pluginpop.cgi?it=swf::640::480::/sites/dl /free/0072510846/58644/0020.swf::Leaf%20Structure