What type of fossil is shown here?

What type of fossil is shown here?

What type of fossil is shown here?

What type of fossil is shown here?

The age of a rock compared to the ages of other rocks.

Fossils that are abundant, widespread, and only around for a short period of time are ____.

Gaps in the rock layers are ___.

Older rocks are found deeper than younger rocks is the ______.

Which layer is oldest?

What can evidence like leaf edge shape tell us about the past?

When we know the exact age of a fossil it is the _____ age.

Organisms such as the coelacanth and opposum are very similar to how they were millions of years ago. For this reason they can be called ___.

The fact that rock layers on either side of eroded areas will still “match up” is known as ___.

Stratigraphy is the ____.

Which ones (pick 2) of the following can tell us about an organism's age when it dies?

If you find the bones of many of the same species in an area it may mean ____.

Maiasaura probably couldn't walk very well when first born because they _____.

The fact that Troödon had sharp serrated teeth tells us it was probably a ___.

Which fossil is youngest