Miller and Levine Biology
Miller and Levine Biology
1st Edition
Joseph S. Levine, Kenneth R. Miller
ISBN: 9780328925124
Textbook solutions

All Solutions

Page 111: Test Practice

Exercise 1
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Changes in the Earth’s rotation, particularly in the angle of the tilt, can change the input of solar energy or the way the sun rays hit the Earth. As a result, a climate change occurs, wherein the summers are warmer and the winters are colder.
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E. input of solar energy
Exercise 2
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Lionel used a model to show how the sun’s light and atmosphere can predict the temperature. In this model, the greenhouse effect was also exhibited, which is a phenomenon that happens when there is too much carbon dioxide that traps the heat in the Earth’s atmosphere. This effect causes an increase in temperature which eventually results in climate change.
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C. Heat is trapped by carbon dioxide.
Exercise 3
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Variations in the Earth’s orbit and the tilt of its axis only occur in a cycle of about 100,000 years; hence, it can only bring slow or gradual changes in the Earth’s climate. Therefore, natural causes cannot be entirely accountable for the rapid changes in the global climate.
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E. Variations in Earth’s orbit occur gradually over 100,000 years.
Exercise 4
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According to the graph, the temperature in Kenya falls within the range of 20 to 30 degrees Celsius, which indicates a warm temperature for an entire year.

On the other hand, the months of April and May get the most rain and the months of January to March have a dry climate (due to less rainfall amount).

A period of short rains occurs during the months of November and December.

Therefore, the amount of precipitation varies in an entire year.

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B. seasonal variations in precipitation
Exercise 5
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A warm temperature that exists for an entire year indicates a tropical climate. The most common plant feature that is found in this kind of climate is the waxy coverings in the leaves. This feature allows the plant to retain water, wherein the wax cuticle prevents the water from escaping through the leaves.
Result
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A. leaves with waxy coverings
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