Global change. Chill taken out of the tropics.
Kump
L R
LR
D000818:Animals; D001272:Atmosphere; D005075:Biological Evolution; D002245:Carbon Dioxide; D003063:Cnidaria; D056890:Eukaryota; D005580:Fossils; D009792:Oceans and Seas; D010100:Oxygen; D010933:Plankton; D013995:Time; D014329:Tropical Climate
D002245:Carbon Dioxide; D010100:Oxygen