Concept explainers
Introduction :
Any population grows exponentially when
Answer to Problem 28A
Correct answer :
The correct answer is option (D) 1500 A.D.
Explanation of Solution
Explanation/justification for the correct answer :
Before 500 A.D., population grew, but at a very slow pace. But, as there was a boon in agriculture, medicine and industrialization started and death rate decreased. The birth rate increased because of a large reproducing population.
Explanation for incorrect answer :
Option (A) 2 million years ago, humans started farming, and thus there was a slight increase in the population but not exponentially.
Option (B) 6500 B.C.: Human population was almost static in the New Stone age.
Option (C) 1800 B.C.: In this Bronze age period, the population was increased but at a very slow pace.
Chapter 4 Solutions
Biology Illinois Edition (Glencoe Science)
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Campbell Biology in Focus
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Becker's World of the Cell (9th Edition)
Microbiology with Diseases by Body System (5th Edition)
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