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Sphinxa [80]
2 years ago
5

In 2016, Sub-Saharan Africa had a doubling time of 23.3 years.

Biology
1 answer:
Masja [62]2 years ago
4 0

The correct answer is Option B: 3%.

In 2016, Sub-Saharan Africa, doubling time is 23.3 years, thus Growth rate is 3%.

<h3>What is doubling time?</h3>
  • The doubling time is the time taken by a population to double in its size.
  • This concept is applied to population growth, inflation, resource extraction, consumption of goods, the volume of malignant tumors, and many other things that tend to grow over time.
  • There is an important relationship between the percent growth rate and its doubling time known as “the rule of 70”: to estimate the doubling time for a steadily growing quantity, simply divide the number 70 by the percentage growth rate.
  • Therefore, Growth rate is 70 divided by doubling time (70/ doubling time).
  • Here, Doubling time= 23.3 years.
  • Growth rate= 70/23.3= 3%

Learn more about population growth rate here:

brainly.com/question/26446097

#SPJ1

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<h3>What is a habitat?</h3>

The term "habitat" in ecology refers to a region's collection of biotic, physical, and resource elements that are present to support a specific species' ability to survive and reproduce. It is possible to think of a species' habitat as the outward representation of its biological niche. As a result, "habitat" refers to a particular species, which is fundamentally distinct from ideas like "environment" or "vegetation assemblages," for which the term "habitat-type" is more applicable.

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6 0
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On the graph below, what would explain why the rabbit population levels drastically increased instead of decreasing drastically?
Ilia_Sergeevich [38]

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<h3>What is population increase?</h3>

Population increase refers to the increase in the number if species of an organism found in a given habitat over time.

Increase in population can be brought about by factors such as;

  • abundance of food
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Therefore, the rapid increase in the rabbit population could be dues to high fertility rate, abundance of food and lack of predators.

Learn more about population increase at: brainly.com/question/2408010

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