In 2011, the city of Calgary had 1,096,833 people living within the city limits. Since then,...

In 2011, the city of Calgary had 1,096,833 people living within the city limits. Since then, there have been 245,678 births and 189,753 deaths. A total of 159,753 people moved to Calgary from other cities or countries, while only 12,354 people moved away from Calgary.

How did the population of Calgary change since 2011?

Express your answer using scientific notation in the form of x.yz x 10^d people.

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Human beings, like other K-selected species live close to carrying capacity and usually have logistic growth rates. However, population growth for humans has exhibited exponential growth for over the last 350 years (since the Industrial Revolution). Which of the following can explain this phenomenon?

Select one:

a. Humans have been able to achieve their biotic potential.

b. Humans have increased environmental resistance by limiting density-dependent factors

c. Humans have decreased environmental resistance by increasing density-independent limiting factors.

d. Humans have been able to continually increase their carrying capacity.

Solutions

Expert Solution

Given -

The current population of city of Calgary

Total number of births in the city

Total number of deaths in the city

Total number of people moving out of the city

Total number of people moving into the city

New population size of city of Calgary

2. Option D

Reason –

Humans unlike all other living organism have the ability to alter their environment and hence control density dependent factors through the intervention of activities such as food cultivation, construction of shelters etc. This has helped humans in continually increasing their carrying capacity.

Hence, option D is correct

gladiator answered 1 year ago

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