EARTH SCIENCE
GEOBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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in the paleogene
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in the Ordovician
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devoniarrean
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in silurian
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Detailed explanation-1: -The first fossil record of the Vascular plants appeared in the second half of the Silurian period.
Detailed explanation-2: -The oldest fossil proven to be a vascular land plant is Cooksonia, from the Pridolian Stage of the Silurian Period in Wales.
Detailed explanation-3: -Most Silurian plant fossils have been assigned to the genus Cooksonia, a collection of branching-stemmed plants which produced sporangia at their tips. None of these plants had leaves, and some appear to have lacked vascular tissue.
Detailed explanation-4: -Possibly the most remarkable biological event during the Silurian was the evolution and diversification of fish. Not only does this time period mark the wide and rapid spread of jawless fish, but also the appearances of both the first known freshwater fish and the first fish with jaws.