Listed in the Item Bank are individual steps that need to be ordered. To find out more information about steps, some have more details available when you click on them. Drag and drop the steps in the proper order by placing each in its corresponding open rectangle. Be sure that the earliest step is placed next to the number 1.

Place the organisms or events in order from when they first appeared on Earth to present (MA = millions of years ago and TA = thousands of years ago)
ITEM BANK: Move to Bottom
eukaryoteFirst life beginsPhotosynthesis beginsReptiles
3800 MA
3000 MA
2000 MA
1000 MA
570 MA
500 MA
475 MA
400 MA
360 MA
300 MA
200 MA
150 MA
130 MA
200 TA