In this examples, which country will have the most rapid population growth?
a)
Sweeden
b)
United States
c)
Mexico
d)
None
2.
Density-independent limiting factors to population growth includes
a)
stress from overcrowding
b)
parasitism
c)
competition
d)
natural disasters
3.
In the formula, Nt = No ert, the No stands for...
a)
initial population size
b)
final population size
c)
a population of zero
d)
growth rate
4.
In a population of mice, 20 mice are born, 30 die, 12 immigrate into the population and 56 emigrate from the population. If the population started with 67 mice, what is the percentage of population growth?
a)
-36%
b)
25%
c)
-12%
d)
60%
5.
A small island nation is tracking its total population. It started with exactly 100 people. During the year, 10 people immigrated, while 20 emigrated. The birth rate was 15, and the death rate was 5. What is the new population of the country?
a)
115
b)
110
c)
90
d)
No change; the population is still 100.
6.
Factors that affect population size:
INCREASE: Number of ___________ & ____________
(Choose 2 answers)
a)
Birth
b)
Death
c)
Immigration
d)
Emigration
7.
Why has the population been able to grow so quickly in such a short period of time?
a)
Doctors have developed easier and safer ways to have babies
b)
People needed more help to work their farms so they had more children
c)
Because people stayed in one place and only moved when crowded out
d)
Because of medical care, clean water and better access to nutritious food
8.
What is the carrying capacity for this sheep population?
a)
1.8 million
b)
1.25 million
c)
1.6 million
d)
1.o million
9.
Population density can be best described as:
a)
The amount of deaths that occur in a population
b)
The amount of births that occur in a population
c)
The amount of individuals in a given space.
d)
The amount of available nutrients in an ecosystem
10.
England had 12 births for every 1,000 people in a year. This is
a)
Crude Birth Rate
b)
Crude Death Rate
c)
Natural Increase Rate
d)
Doubling Time
แป้นคำตอบ
Human Population Growth Calculations
คำถามทั้งหมด: 10
1.
c)
Mexico
2.
d)
natural disasters
3.
a)
initial population size
4.
a)
-36%
5.
d)
No change; the population is still 100.
6.
c)
Immigration
, a)
Birth
7.
d) Because of medical care, clean water and better access to nutritious food
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