PELASE HELP ME THIS IS FOR A SCIENCE ASSIGNEMNT
There are many different types of models. A timeline is one way to represent the geologic time scale, but there are other ways as well.
1. Below Table 1, you have been provided with the geological time scale. The time scale is an approximation and is not to scale.
2. You will need to complete the scale by recording the significant biological and geological events. You will need to identify at least two biological and two geological events for each period. You may need to perform additional research to gather your information to complete the time scale.
3. After you have completed the time scale answer the Reflection Questions.
Reflection Questions
Do not answer until you have completed the time scale located on the page following Table 1.
1. How long (in centimeters and years) was the Precambrian period compared to the rest of the scale?
2. How many years and “centimeters” of time separated the dinosaurs and humans on Earth?
3. How many years and centimeters of time passed before life appeared on Earth?
4. For how many years of geologic time have humans existed?
5. Did dinosaurs exist at the same time as mammals? Explain your answer using the geologic time scale.
Table 1
Complete the total time column for the table below to assist with answering the reflection questions. The first one has been completed for you.
• bya= billion years ago
• mya= million years ago
• 1cm= 10 million years
Answers: 3
Biology, 22.06.2019 03:00, ultimatesaiyan
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Answers: 1
Biology, 22.06.2019 15:00, donbright100
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Answers: 1
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