Question

Psilophyton is a genus of extinct vascular land plants of Silurian period Permian Carboniferous period Permian period

Answer 1

Answer:

The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period 485.4 million years ago to the start of the Silurian Period 443.8 Mya. Wikipedia

Era: Paleozoic

Occurred: 485.4 (+/- 1.9) million years ago - 443.8 (+/- 1.5) million years ago

Organisms: Asteriacites, Hemiconcavodonta, Concavodonta, Endoceras, Arandaspida, more

Epochs: Early Ordovician, Middle Ordovician, Upper Ordovician

Answer 2

Psilophyton is a genus of extinct vascular land plants of  Permian

Option b

Explanation:

• There is is evolution of a plant in a systemic manner such that the moon developed plant it is developed later in the evolution of organism. Psilophyton is a group of plants which their characterized by the presence of sports in form of the sexual organ.

• In addition to this the were mainly aquatic and Terrestrial  plants. The were usually photosynthetic in nature due to the presence of chlorophyll

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arrange the following plants in the ascending order of evolution ...

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