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eduard
3 years ago
7

American bison were once abundant throughout the continent, but were hunted almost to extinction in the late 1800s. Today, the i

s recovering, but the previous rapid decrease in size has reduced the of the animals. This kind of likely occurred because only a few individuals survived of the original larger population. A change in following a large reduction in population size is called a(n) ___
Social Studies
1 answer:
sdas [7]3 years ago
7 0

Answer: Bottleneck effect

Explanation:

  The bottleneck effect is terms of population size is one of the concept in which there is large reduction in the population size due to the various types of environment related factors and also due to the human activities are as follows:

  • Floods
  • Droughts
  • Fires
  • Earthquakes
  • Planning of the human population

 According to the given question, Bottleneck effect is one of the congestion point in which the large number of species or we can say that population is killed and it also increase the genetic drift. So, the above given situation is illustrating the concept of bottleneck effect.    

 Therefore, Bottleneck effect is the correct answer.

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Outline of the Reasons Social Stratification Is Unavoidable
Kipish [7]

Answer:

C. The more important positions in society require better qualified people.

Explanation:

The Davis-Moore thesis is all about justifying social stratification and it was written by Kingsley Davis and Wilbert Moore as they believed that some tasks or jobs are more valuable than others and the people who perform the more valuable work will be better rewarded which will in turn make them work harder.

From the given outline, the missing outline of the thesis is option C that states that the more important positions in society require better qualified people.

4 0
3 years ago
What is the coastal region of virginia called?
vesna_86 [32]
The Tidewater region<span> is a geographic area of southeast Virginia and northeastern North Carolina, part of the Atlantic coastal plain in the United States of America. Portions of Maryland facing the Chesapeake Bay are also given this designation.</span>
5 0
3 years ago
When competition for resources is low, the effect on populations is…because…
stiv31 [10]

Answer:

the effects on population would be low because they would have more resources.

6 0
2 years ago
The primary method of exchange in the traditional economy is __ and __. A. Barter; trade B. Wages; incentives C. Supply; demand
zlopas [31]

Answer:

c

Explanation:

7 0
2 years ago
If the Federal Reserve wants to expand reserves in the banking system, it will A. sell government securitiesB. raise reserve req
Anestetic [448]

Answer:

Option B

Explanation:

The best is to raise reserve requirement.

The capacity of the current reserve is based on its requirements. in other to expand, or improve the capacity, is to raise the requirement of the reserve.

It is just like having a pocket that can receive 100, if you want to increase the capacity of the pocket, you will need to adjust the pocket size, this is raising the pocket requirement for you to receive 200 in same pocket.

From my analogy, option B is the best answer to the question.

5 0
2 years ago
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