Review: Evidence for Evolution

Review: Evidence for Evolution and Speciation

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Multiple Choice

What can we learn about organisms by studying the fossils they have left behind?

• If they lived in herds or not

• How old they are from growth rings

• Behaviors like rolling up in a ball for protection

• All of these can be learned from studying fossils

Multiple Choice

Which of the following is FALSE?

• Index fossils can help us date rock layers and other fossils

• The deeper the fossil, the younger it is

• If a mountain top has fossilized shells on it, then it was once covered by an ocean

• Fossils can show us that land masses were once together and then split apart

Multiple Choice

Which of the following is FALSE?

• The edges of leaves can give us information about an area's past temperatures

• Tooth marks in shells can give us hints about predator-prey relationships

• If fossilized marine life is found in the desert, it tells us that the desert used to be covered by water

• We can't learn anything from fossilized pollen

Multiple Choice

Which of the following is TRUE?

• Many different fossil species found from the same time period can be evidence of a mass extinction

• Only a few species from our planet have ever gone extinct

• Fossils can't show how different species may be related

• The extinction of one species can't affect the extinction of another species

Multiple Choice

Which of the following would be a vestigial structure?

• A human heart

• A dolphin's blow hole

• A bird's beak

• An orca's hind leg bones

Multiple Choice

Which of the following is FALSE?

• Homologous structures have similar arrangements of bones, muscles, blood vessels, and nerves

• A cat's leg, whale's flipper, bat's wing, and a human's arm are examples of homologous structures

• Homologous structures have the same function or are used in the same way

• Homologous structures show a common ancestry between different species

Multiple Choice

According to the table and graph on the two previous slides, humans are most closely related to...

• Gray Whale

• Bread Mold

• Rhesus Monkey

• Snapping Turtle

Multiple Choice

According to the table and graph, humans are least related to...

• Bread Mold

• Tuna

• Chicken/Turkey

• Rhesus Monkey

Multiple Choice

True or False: The fact that embryos of different species look very similar shows a common ancestry between these species.

• True

• False