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Fish first appeared in the Ordovician Period.
qwety
Fossils of the earliest land plants come from the Ordovician period (roughly 450 million years ago).
Mosses (Bryophyta).
Ordovician .
Fish first appeared in the Ordovician Period.
Ordovician Period
Ordovician Period
The period during which life began to move on land was the Ordovician Period. It was during this time that evidence of plant spores from living fossils were found on land.
qwety
Fossils of the earliest land plants come from the Ordovician period (roughly 450 million years ago).
Algae was the dominant plant of the Ordovician. There were little to no other plants (other then algae) during the Ordovician. In the Ordovician, the common types of algae were Stromatolites (Blue green algae), and Tetradium (Red algae).
Mosses (Bryophyta).
Ordovician .
The Silurian period.
You might see volcanic action.
Ordovician Period