The activity is found in the link below
https://www.amnh.org/ology/features/layersoftime/game.php
Be aware that the levels in the link will not necessarily be exactly the same as the ones below.
You will have to watch the view and go through the site to find the answers to the questions below.
Easy








Organize these organisms in the order in which they appeared, from younguest (top) to oldest (bottom). (Hover over each fossil type to look at the names)
homo sapiens
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protorosaurs
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dyrosaurs
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pterosaur
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trilobite
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Extra Credit: Level Easy
In the link click on the game and redo level easy. After you check your work you need to put the screenshot below
Medium








Fill out the table using the information from the question above.
Extinct BEFORE the apperance of flowering plants | Extinct AFTER the apperance of flowering plants | NOT extinct | |
|---|---|---|---|
Protorosaurs
| |||
Sharks
| |||
Postosaurs
| |||
Itchyosaurs
| |||
Mutitiuberculates
| |||
Trilobites
|
Extra Credit: Level Medium
In the link click on the game and redo level medium. After you check your work you need to put the screenshot below
Hard








Which 4 organisms lived only for a relatively short period of geologic time?
Extra Credit: Level Hard
In the link click on the game and redo level hard. After you check your work you need to put the screenshot below