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Describe the process in which most fossils form.
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
What do these similarities provide evidence of? What can you infer about turtles, alligators, and birds from these similarities?
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
What do scientists use to determine evolutionary relationships among organisms?
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
Identify one way in which the bones of a turtle, alligator and bird's extremities are similar.
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
Scientists find a fossil in a rock layer near the bottom of a canyon. They find a fossil in a rock layer near the top of the canyon. Which fossil is probably older? Explain how you know, and identify the kind of dating you are using.
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
How does the fossil record apply to the answer to number 1?
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
What is the chart with Precambrian, Paleozoic, Mesozoic, and Cenozoic eras called?
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
What factors affect natural selection?
Geologic Time Scale.
Scientist use DNA, protein structure, fossils, early development, and body structure to determine evolutionary relationships.
When the organism dies and becomes buried in sediment, which hardens to become sedimentary rock with the fossil inside it.
Using relative dating, scientists infer the fossil near the bottom is older b/c the lower the layer, the older it is.
over production, competition, and variation.
Scientist used the fossil record to create the Geologic Time Scale.
There is one long heavy bone connected to two long slender bones, which is connected to shorter smaller bones.
The structures provide evidence of evolution. Therefore, turtles, alligators, and birds do have a common ancestor.
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