Name: 
 

Ch 5 - Quiz 1.3 Practice Quiz



Completion
Complete each statement.
 

 1. 

Asian elephants are found in India, Cambodia, Thailand, Vietnam, and Laos; this information describes the ___________ of the Asian elephant population.
 

 

 2. 

Emigration can cause a population to ____________________ in size.
 

 

 3. 

When an individual moves into one population from a different population, it is called ____________________.
 

 

 4. 

Under ideal conditions with unlimited resources, a population will grow ____________________.
 

 

 5. 

Zero population growth is a characteristic of ____________________ population growth.
 

 

 6. 

A population of bacteria with a limited supply of nutrients will eventually show growth typical of the ____________________ model.
 

 

 7. 

If an entire wolf population dies, the moose population on which it preys will grow to the environment’s ____________________.
 

 

 8. 

Competition, predation, parasitism, and ____________________ are density-dependent limiting factors.
 

 

 9. 

Density-dependent ____________________ factors in natural populations help keep them from increasing indefinitely.
 

 

 10. 

The rise-and-fall cycle of a predator-prey relationship is a density-____________________ relationship.
 

 

 11. 

A diagram that illustrates how many people of different ages and gender are presently living in a country is called a(an) ______________________________.
 

 

 12. 

The change in growth rate that results from the change in birthrates and death rates is known as a ______________________________.
 

 

 13. 

During early human history, the growth rate was low because the birthrate was high and the death rate was ____________________.
 

 

 14. 

Social and ____________________ factors explain why some countries have high growth rates, whereas other countries grow slowly or not at all.
 

 

 15. 

The exponential growth rate of some countries indicates that these countries have not yet fully ____________________ socially and economically.
 

 

Short Answer
 

 16. 

What are four main characteristics of a population?
 

 17. 

How does emigration affect population size, all other factors being equal?
 

 18. 

If a population of pine trees is 25 trees in 5 square kilometers and another population is 25 trees in 2 square kilometers, which population has the higher density? Why?
 

 19. 

Why must wildlife biologists consider immigration and emigration when studying certain animals?
 

 20. 

Compare and contrast the graph of exponential growth to the graph of logistic growth.
 

 21. 

Describe the period of growth on a logistic growth curve just before carrying capacity is reached.
 

 22. 

What is a limiting factor? Give two or three examples.
 

 23. 

What is a density-independent limiting factor? Give two or three examples.
 

 24. 

What are some factors that keep a population from growing further once it reaches the carrying capacity of its environment?
 

 25. 

Why did the human population begin growing exponentially about 500 years ago?
 

 26. 

What kept the human growth rate low before the Industrial Revolution?
 

 27. 

How can a demographer, or scientist who studies demography, predict how a population will change in the future?
 

 28. 

What are some of the factors that economists believe will overcome the negative impacts of the growth of the human population?
 

 29. 

How does population growth in the United States compare with that in China and India?
 

 30. 

What evidence is there that Japan has completed the demographic transition?
 

Other
 
 
USING SCIENCE SKILLS

Population Statistics in the United States From 1900 to 1990
 
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
Live births per thousand
32.3
30.1
27.7
21.3
19.4
24.1
23.7
18.4
15.9
15.6
Deaths per thousand
17.1
14.7
13.0
11.3
10.8
9.6
9.5
9.5
8.8
8.7
Number of births over deaths
15.2
15.4
14.7
10.0
8.6
14.5
14.2
8.9
7.1
6.9
Life expectancy at birth (yrs)
47.3
50.0
54.1
59.7
62.9
68.2
69.7
70.8
73.7
74.8
Increase in longevity
since 1900 (yrs)
 
2.7
6.8
12.4
15.6
20.9
22.4
23.5
26.4
27.5

Figure 5–1
 

 31. 

Using Tables and Graphs According to Figure 5–1, which year had the highest number of live births per thousand of population?
 

 32. 

Analyzing Data In Figure 5–1, what is unique about the number of deaths per thousand in 1960 and 1970?
 

 33. 

Interpreting Graphics In which year was the number of births over deaths at its lowest point, according to Figure 5–1?
 
 
USING SCIENCE SKILLS
Graph I shows the growth curve for a culture of Paramecium aurelia. Graph II shows the growth curve for a culture of Paramecium caudatum, a larger species. Graph III shows the growth curves of both species when they are grown together.

nar002-1.jpg

Figure 5–2
 

 34. 

Interpreting Data According to Figure 5–2, which species has the greatest initial growth rate when they are grown in separate cultures?
 

 35. 

Interpreting Graphics From Figure 5–2, which species has the greater growth rate overall when the species are grown together? Describe the growth curve of P. caudatum in Graph III.
 



 
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