Fossils and Common Ancestry COL

Which of the following is not a fossil?

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In this image of a Cladogram, which letter is pointing to the branches of the Cladogram?

• A
• B

True/False: For organisms in a cladogram it is just as likely for them to lose characteristics they have gained as it is for them to gain new characteristics.

• True
• False

Examine the Ammonite Cladogram here. Which organism is the common ancestor?

• A
• B
• C
• D
• E

Look at the labeled Cladogram. Which node represents a common ancestor for Lemurs and Lorises?

• A
• B
• C
• D

True/False: DNA sequences is an unreliable way to create a cladogram.

• True
• False

Examine the fossilized teeth images. Which tooth belongs to an organism that ate mostly meat?

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Which of these layers of rock is the oldest?

• Sandstone
• Silstone
• Mudstone
• Conglomerate
• Limestone

Use the image to determine which of the following is false.

• C is the oldest layer
• Intrusion D occurred before the fault along E
• Intrusion D is older than layer A
• Layer B is older than layer A

Which of the following CANNOT be learned about an organism by studying its fossils? Select all that apply.

• Color
• How it lived
• If it had friends
• Size
• What it ate