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Activities Quiz



 This activity contains 27 questions.

Question 1
1 You are doing a mark-recapture experiment to determine the population size of the MendAliens living on an island in my back yard. Initially, you catch and mark 130 MendAliens, which you then release. Next, you capture 90 MendAliens, of which 20 are marked. What is your estimate of the population size of MendAliens living on the island in my back yard?
 
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Question 2
2 Assume there are 200 MendAliens living on an island in my back yard. If my island has an area of 20 hectares, what is the population density of MendAliens in terms of MendAliens per hectare?
 
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Question 3
3 The mark-recapture method would be best for sampling a population of _____.
 
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Question 4
4 Which of these species typically has a mortality rate that remains fairly constant over an individual's life span?
 
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Question 5
5 Oyster populations are primarily, if not exclusively, composed of _____.
 
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Question 6
6 Which of these organisms has a survivorship curve similar to that of oysters?
 
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Question 7
7 Which of these organisms has a survivorship curve similar to that of humans?
 
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Question 8
8
Open Hint for Question 8 in a new window		 What percent of the plant species found on Madagascar are unique to that island?
 
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Question 9
9 The human population of Madagascar doubles about every _____ years.
 
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Question 10
10
Open Hint for Question 10 in a new window		 What is a lemur?
 
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Question 11
11 Much of the original forest cover on Madagascar has been destroyed primarily as a result of _____.
 
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Question 12
12 What is the cause of the red color of the waters about Madagascar?
 
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Question 13
13 From 1930 to 1939 fire ants spread inland about 60 miles from their point of introduction in Mobile, Alabama. What was the cause of their spread over this distance?
 
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Question 14
14 From 1940 to 1970 fire ants spread through many southern states, sometimes at a rate of 100 miles in a year. What was the cause of their spread over this distance?
 
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Question 15
15 In 1958 federal law restricted the movement of soil and plants from areas where fire ants were established. Why was this law unsuccessful in stopping the spread of fire ant colonies?
 
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Question 16
16 Techniques used, or are being considered for use, in controlling the spread of fire ants include _____.
 
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Question 17
17 As of the time of the writing of Activity: Introduced Species: Fire Ants, fire ants have caused about _____ deaths in the United States.
 
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Question 18
18 Which one of the following statements is true?
 
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Question 19
19 In animal populations, DDT causes _____.
 
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Question 20
20 DDT is _____-soluble so it accumulates in _____.
 
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Question 21
21 Which of these was the first of the major events that stimulated an increase in the size of the human population?
 
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Question 22
22 Which of these was the second of the major events that stimulated an increase in the size of the human population?
 
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Question 23
23 Which of these was the third of the major events that stimulated an increase in the size of the human population?
 
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Question 24
24 Currently, how large is the worldwide population of humans relative to Earth's carrying capacity for humans?
 
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Question 25
25 Ignoring migration, the age structure of a human population likely to increase in size will have what shape?
 
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Question 26
26 Ignoring migration, the age structure of a human population likely to decrease in size will have what shape?
 
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Question 27
27 Ignoring migration, the age structure diagram of a human population likely to maintain a relatively stable size will have what shape?
 
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