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aliina [53]
3 years ago
15

Think about how the geologic time scale was created and how it is divided. Then answer the following questions.

Biology
1 answer:
IceJOKER [234]3 years ago
8 0

Answer:

1. Scientists form the geological time scale by describing the order and time when major earth events occurred for the last 4.5 billion years ago. The scale describes the first time plants appeared on earth, the first time animals where spotted on Earth, the processes that formed mountains and the extinction of special species such as the dinosaurs. Geologist study the earth to identify the history of geological events contained in the rock layers of the Earth. Old layers of the Earth are buried deep inside the surface where as the young layers are at the top. With this understanding, geologists are able to comprehend the ages of rocks relative to one another.

2. The Geologic time scale is organized into intervals namely Eons, Eras, Periods, and Ages. The Eons is the largest interval where each eon presents many millions of years. The Eons are divided into Eras which start and end with significant changes in the living organisms on the Earth surface. In each Era, there are multiple periods which are further subdivided into multiple short epochs.

3. The processes that changed Earth’s surface during Precambrian time was changes in climatic condition that caused by creation of the planet and later the emergence of complex and multi-cellular organisms. The Precambrian time was characterized by layers of sedimentary rocks that formed million years ago and contain information of Earth’s past which include fossils remains of living organisms that were buried during formation of sediments.

Explanation:

explained in the answer

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Answer:

1. ddaa

2. DdAa

3. One from each parent

4. False

5. 0.25

6. 0.25

7. 0.25

8. 0.5

Explanation:

The remaining part of the question is  

1. What is Jane's genotype?  

2. What is Paul’s genotype?  

3. Where did Jane get her gene for curly hair? From her mother or father?  

4. True or False: Jane's mother was heterozygous for curly hair?

5. What fraction of Paul and Jane's children should have curly hair and dimples?  

6. What fraction of their children would have straight hair and no dimples?  

7. What fraction should have dimples but not curly hair?  

8. What is the probability of getting any offspring with dimples

Solution

1. Genotype of Jane's mother -ddaa

2. Genotype of Paul (heterozygous for dimples and curly hair) – DdAa

3. One “a” gene from mother (whose genotype for hair was aa) and second “a”gene from father (whose genotype was  Aa)

4. False.  She was having straight hair

5. Offspring of  Paul and Jane  

DdAa (4), Ddaa (4), ddAa(4) and ddaa (4)

4 out of 16 offspring will have curly hair and dimples = 0.25

6. ddaa, 4/16 = 0.25

7. Ddaa , 4/16 = 0.25

8. Ddaa, DdAa, 8/16 = 0.5

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Answer;

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Explanation;

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-Therefore; If the inner mitochondrial membrane were freely permeable to h+, ATP production by ATP synthase through oxidative phosphorylation would not occur.

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