Fossils arround the world
Question:

What are fossils? 

Fossils are traces of plants, animals, fishes, and other organisms from the remote past.

Scientists have learned that rocks are stacked in layers containing fossils with the oldest fossils at the deepest layers, and the youngest, or most recent fossils, near the top.

This location-based question is about Fossils in different places around the world.

To start, read the question and try answering it. For more explanations click on the points on the interactive map.


There are many fossils of marine animals, such as clams, fish and corals, in the Limestone A layer of the Grand Canyon. What happened millions of years ago that explains why such fossils are found there? (PISA 2006).

1 People tried to answer this question

Some sea animals once lived on land before migrating to the sea.

In ancient times, people brought seafood to the area from the ocean.

Oceans were once much rougher and sea life washed inland on giant waves.

An ocean covered this area at that time and then receded later.

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History of edits
Edited BY: Shadi Asakle Edit Date: 2016-09-22 22:46:14
Edited BY: Shadi Asakle Edit Date: 2016-06-04 13:34:29
Edited BY: Shadi Asakle Edit Date: 2016-06-04 13:30:28
Edited BY: Shadi Asakle Edit Date: 2016-06-03 15:40:50
Edited BY: Shadi Asakle Edit Date: 2016-06-03 15:40:10
Edited BY: Shadi Asakle Edit Date: 2016-06-03 15:37:17
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