Question

Arrange the major events as per geological time scale:

(Origin of conifers, Abundance of trilobites, Diversification of fishes, All types of marine algae, Formation of Forests, Rise of dinosaurs, Extinction of seed ferns, Rise of modern insects.)

	Geological time period	Major events
1.	Cambrian	______
2.	Devonian	______
3.	Permian	______
4.	Triassic	______

Answer 1

	Geological time period	Major events
1.	Cambrian	Abundance of trilobites, all types of marine algae
2.	Devonian	Diversification of fishes, formation of forests
3.	Permian	Origin of conifers, rise of modern insects
4.	Triassic	Rise of dinosaurs, extinction of seed ferns.