DEAL updates

Diagram showing a cell engulfing the a cyanobacterium, the ancestor of the chloroplast.

I have posted a two new land plant pages to the Digital Encyclopedia of Ancient Life! One of the pages describes the flowering plant life cycle and the evolution of the embryo sac (female gametophyte or megagametophyte) in angiosperms. The other discusses the origin of land plants, including theory and fossil evidence. To read more, follow these links:

Angiosperm life cycle

Origin of land plants

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DEAL at the GSA Annual Meeting, Indianapolis

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Image of a chambered nautilus by J.R. Hendricks from DEAL A presentation on the Digital Encyclopedia of Ancient Life (DEAL) was given at the Geological Society of America Annual Meeting in Indianapolis, Indiana, by Dr. Jonathan R. Hendricks. The DEAL continues to expand, with a new chapter on cephalopods recently released! Work on the land plant chapter has commenced, although none of the plant pages are available yet. Stay tuned for updates. Abstract:  Hendricks, J.R.,  E.J. Hermsen , and E. Hauf. 2018. The Digital Encyclopedia of Ancient Life (DEAL): An open access paleontology textbook. Geological Society of America Annual Meeting, Indianapolis, Indiana (talk). doi:10.1130/abs/2018AM-318607.  LINK Related links: DEAL main page DEAL Cephalopoda chapter by J.R. Hendricks Virtual teaching collection on Sketchfab  (models by E. Hauf)
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DEAL: Fruit & seed dispersal

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Modern and fossil fruits of golden raintree ( Koelreuteria ). Credits: Modern fruits (E.J. Hermsen); fossil fruit (National Park Service) I have posted a new page on Digital Encyclopedia of Ancient Life (DEAL): Fruit & seed dispersal. You can find it here:  https://www.digitalatlasofancientlife.org/learn/embryophytes/angiosperms/dispersal/
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