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Plant Biology

Conifer seeds.
Views: 1237
Filesize: 55.82kB
Date: Jul 23, 2011
 The life cycle of the genus Pinus
Views: 12932
Filesize: 132.77kB
Date: Jul 23, 2011
 Coralloid roots of cycads.
Views: 10566
Filesize: 154.33kB
Date: Jul 23, 2011
 Cycads.
Views: 987
Filesize: 118.03kB
Date: Jul 23, 2011
Cycads.
Views: 972
Filesize: 130.44kB
Date: Jul 23, 2011
 Phylogeny of modern seedless and seed plants showing critical innovations
Views: 6980
Filesize: 57.44kB
Date: Jul 17, 2011
 Wood first appeared in plants called progymnosperms.
Views: 3717
Filesize: 90.83kB
Date: Jul 17, 2011
 The fossil Runcaria heinzelinii, a plant with a probable seed precursor.
Views: 5303
Filesize: 45.24kB
Date: Jul 17, 2011
Hypothetical stages in the evolution of seeds.
Views: 6737
Filesize: 47.26kB
Date: Jul 17, 2011
 Structure of an ovule developing into a seed.
Views: 6089
Filesize: 57.98kB
Date: Jul 17, 2011
 Lycophylls and euphylls.
Views: 11667
Filesize: 49.39kB
Date: Jul 17, 2011
 Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes
Views: 1291
Filesize: 97.19kB
Date: Jul 17, 2011
Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes
Views: 2556
Filesize: 101.96kB
Date: Jul 17, 2011
 TEM of placental transfer tissue in the liverwort genus Monoclea.
Views: 1606
Filesize: 201.76kB
Date: Jul 17, 2011
 Changes in Earth's atmospheric carbon dioxide levels over geological time.
Views: 1215
Filesize: 188.82kB
Date: Jul 17, 2011
 Reconstruction of a Carboniferous (Coal Age) forest.
Views: 3175
Filesize: 72.99kB
Date: Jul 17, 2011
Plant fossils.
Views: 963
Filesize: 128.13kB
Date: Jul 17, 2011
 This bleeding heart plant (the genus Dicentra) is an example of an angiosperm.
Views: 1115
Filesize: 76.42kB
Date: Jul 17, 2011
 This white pine (Pinus strobus), towering above the canopy in Algonquin Provincial Park, is an examp
Views: 968
Filesize: 105.17kB
Date: Jul 17, 2011
 A pteridophyte stem with tracheophyte adaptations for transporting and conserving water.
Views: 1345
Filesize: 162.36kB
Date: Jul 17, 2011
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