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The figures below refer to a herd of water buffalo.

Birth rate = 35
Death rate = 7
Immigration = 4
Emigration = 17

What is this population growth?
population increases by 41
population decreases by 15
population increases by 15
population decreases by 24

Sagot :

Answer: population increases by 15

Explanation:

The population growth will be calculated by adding the Natural Increase in population plus the Net In-Migration. This will be:

Natural increase = Birth - Death rate

= 35 - 7

= 28

Net-In-Migration = Immigration - Emigration

= 4 - 17

= -13

Therefore, population growth will be:

= 28 - 13

= 15

Therefore, population increases by 15

Histrionicus

In the given case, the population growth - population increases by 15

Population growth

  • Population growth is the increase in the number of people in a population or the change in the number of individuals of a species in an area over time.
  • It can be calculated by the difference between the addition of individuals and the removal of individuals from the population
  • Addition can be by immigration or birth whereas removal can be emigration or death

So growth = (birth rate + immigration) - (death rate + emigration)

Then, population growth = (35+4) - (7+17)

= 39 - 24

= 15

Thus, In the given case, the population growth - population increases by 15

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