- 1(current)
Q. No.Which of the following would necessarily decrease the density of a population in a given habitat?
1. Natality > mortality
2. Immigration > emigration
3. Mortality and emigration
4. Natality and immigration
1. Natality > mortality
2. Immigration > emigration
3. Mortality and emigration
4. Natality and immigration
Subtopic: Â Population Characters: Density |
 89%
Level 1: 80%+
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In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using the exponential equation, the number of people present in 2015 is predicted as:
| 1. | 25 million | 2. | 17 million |
| 3. | 20 million | 4. | 18 million |
Subtopic: Â Population Characters: Density |Â Population Characters: Natality & Mortality |
 62%
Level 2: 60%+
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The consequences of high population density of a population will include all except:
1. toxic waste accumulation
2. an increase in mortality
3. ignorance of overabundant prey by the predators
4. a reduction in reproduction
Subtopic: Â Population Characters: Density |
Level 3: 35%-60%
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- 1(current)
Q. No.
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