I will medal Which happened during the Paleozoic era?

A.
Sponges and invertebrates dominated the seas.

B.

No life was present yet on earth.

C.

Bacteria were the dominant life-forms.

D.
Bony fish evolved.

Question

I will medal Which happened during the Paleozoic era?

A.
	Sponges and invertebrates dominated the seas.

B.

No life was present yet on earth.

C.

Bacteria were the dominant life-forms.

D.
	Bony fish evolved.

anonymous · Answer

Which is a correct order from older to younger for layering of rocks shown in the figure? 		
  
	
	
 
A.
	

B, C, D, E, F
	
 
B.
	

H, B, C, G, I
	
 
C.
	

B, I, D, H, C
	
 
D.
	

F, E, D, C, B