Screen Shot 2020-05-04 at 3.40.35 PM.png The pictures above all show the same fossil. What is the common name?
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Which group is the direct ancestor of mammals?
Which group is the direct ancestor of mammals?
Which of the following animals is a predator?
Which of the following animals is a predator?
Which of the following is not a Vendian fossil?
Which of the following is not a Vendian fossil?
The super-predator of the Ordovician Seas was the _________.
The super-predator of the Ordovician Seas was the _________.
The Burgess Shale fossils support the evolutionary concept o…
The Burgess Shale fossils support the evolutionary concept of _________.
The Burgess Shale fossils are often referred to as a window…
The Burgess Shale fossils are often referred to as a window into _________.
The most maneuverable type of nautiloid in the Ordovician Se…
The most maneuverable type of nautiloid in the Ordovician Seas was the _________.
Which group of animals are the direct ancestors of birds?
Which group of animals are the direct ancestors of birds?
Which of the following is not a general characteristic of Ve…
Which of the following is not a general characteristic of Vendian Life?