The evolution of seeds, which encased the embryonic plants in a protective covering, enabled plants to reproduce in drier habitats.
The decayed remains of these trees would be drowned, buried, and compressed into the great coal seams that would fuel the industrial age.
These trees reproduced by means of spores, which were dependent on water to reproduce.
The amber, embedded in ancient clay deposits, revealed 100 species of plants and animals hitherto unknown to science.
These groups oversee and advise Illinois' elected officials, state agencies and organizations on a wide range of issues that affect the public welfare.
These boards and commissions also play a vital role in promoting efficient, effective, and honest government.
[My information is based on a cladogram by Thomas R.
Holtz, Jr., in Natural History 114:4 (5/05), 40-41.]The fossilized tracks of the of the Connecticut River Valley and New Jerseys Newark Basin, as well as on other continents of Pangaea.
No fossil evidence has been unearthed in our region for the Late Jurassic giants, but fossilized dinosaur footprints dating to the Flowering plants make their first appearance in the fossil record around 95 million years ago.