The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location. Introduction: There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

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Answer 1

Question

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

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Answer 3

Question

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

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Answer 4

Question

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

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Answer 5

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

Answer 6

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

Answer 7

Chapter 17, Problem 1SA

Summary Introduction

To review:

The climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

Introduction:

There is a reduction in temperature, as we move from the equator, toward the poles. The type of biome depends on rainfall and temperature.

Answer 8

Expert Solution & Answer

Explanation of Solution

The Earth being a globe has a curved surface. The equator is the part of the earth that is closest to the sun and the poles are the furthest away from the sun.

The concentration of the sun’s rays is highest near the equator. As we move away from the equator and toward the poles, the solar energy is spread over a larger area, and the rays of the sun travel a longer distance through the atmosphere. This reduces the amount of heat that reaches the surface of the earth towards the poles, resulting in reduced temperatures as we move away from the equator, and towards the poles.

The type of terrestrial biome is determined by the average temperature and average precipitation in the area, and whether they are constant or seasonal.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

There is a reduction in temperature when moving from the equator toward the poles. The two aspects of weather that determine the type of biome in a location are the average temperature and average precipitation, and how they change seasonally.

Answer 12

Ch. 17 - Prob. 1SA Ch. 17 - Prob. 2SA Ch. 17 - Prob. 3SA Ch. 17 - Prob. 4SA Ch. 17 - Prob. 5SA Ch. 17 - Prob. 6SA Ch. 17 - Prob. 7SA Ch. 17 - Prob. 8SA Ch. 17 - Prob. 9SA Ch. 17 - Prob. 10SA

Solution Summary: The author analyzes the climate changes that occur on moving from the equator towards the poles, and the two aspects of weather that determine the type of biome in any location.

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Explanation of Solution

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Chapter 17 Solutions