Concept explainers
Introduction :
An important characteristic of any population is its growth rate. The
Answer to Problem 8STP
Correct answer :
The correct answer is option (C) a growth rate that increases with time.
Explanation of Solution
Explanation/justification for the correct answer :
Option (C) a growth rate that increases with time. A J-shaped growth curve illustrates exponential growth. Exponential growth or geometric growth occurs when the growth rate is proportional to the
Explanation for incorrect answer :
Option (A) the graphical representation goes up and down. In exponential growth, J-shaped growth curve occurs. The exponential growth occurs when the growth rate is proportionate to the size of the population. So, this is an incorrect option.
Option (B) the graphical representation has a flat line. The exponential growth occurs when the growth rate is proportionate to the size of the population. All populations grow exponentially until some limiting factor slows the population’s growth. In the
Option (D) a growth rate that stays constant in time. In exponential growth, J-shaped growth curve occurs. In the lag phase, the growth rate is slow but after some years the growth occurs proportionally to the size of the population. So, this is an incorrect answer.
Chapter 6 Solutions
Biology Illinois Edition (Glencoe Science)
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