Chapter 11 Geology History and Evolution of Life

In a sequence of rock layers, how can you tell which layer is older than the other?

• The older rock layers can be found below the younger layers.

• The younger rock layers can be found below the older layers.

• The older rock layers are closest to the surface.

• The younger rock layers are deeper down.

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NGSS.MS-ESS1-4

What information does radiometric dating give scientists about a rock?

• How much the rock costs

• How long it has been since the rock formed

• How much rock is layered on top of it

• How many fossils are stored in the rock

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How can finding marine (ocean) fossils at the top of mountains be used as evidence that evolution has occurred?

• Shows that this environment has stayed the same over time

• Shows that the mountain will become an ocean

• Shows that fish were able to swim to the top of the mountain

• Shows that an ocean once covered the mountain

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How could scientists use the fossil record to show how plants have changed over time?

• Scientists can compare fossils of plants from the same rock layer to see how they have changed.

• Scientists cannot use the fossil record, because plants cannot become fossils.

• Scientists can compare fossils of many plants from many different time periods to see how they have changed.

• Scientists can examine plant fossils to determine what kind of animals ate them.

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When trying to determine whether or not organisms share a common ancestor, what evidence could scientists examine?

• Metamorphic Rocks

• Homologous Structures

• Plate Tectonics

• Natural Selection

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How can fossils be used to show how organisms have changed over time?

• Can compare fossils of various ages to observe how an organism has changed over time

• Cannot use fossils to show how an organism has changed over time

• Can compare fossils from in the same rock layer to show how an organism has changed over time

• Can identify the type of fossil to determine how an organism has changed over time

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What is the purpose of an index fossil?

• determines how fossils form in a rock layer

• determines how species evolve

• determines the age of a rock layer

• determines the amount of fossils in a rock layer

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NGSS.MS-ESS1-4

What are 2 environments that you could find fish bones in?

• Forests, Rainforests

• Oceans, Lakes

• Oceans, Forests

• Deserts, Forests

How does an intrusion impact the relative age of the rock layers it cuts through?

• An intrusion is the same age as the layer it is cutting through.

• An intrusion is older than the layer it is cutting through.

• An intrusion is younger than the layer it is cutting through.

• An intrusion does not cut through rock layers.

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NGSS.MS-ESS1-4

Which of the following was the key species in the Cenozoic Era?

• Mammals

• Dinosaurs

• Cone bearing plants

• Reptiles