Asked by Bob
Which of the following statements about exponential growth curves is true?
a.
Exponential growth curves are common for R-selected species.
b.
Exponential growth curves show fast growth rates followed by slow growth rates.
c.
No organisms in nature experience exponential growth rates.
d.
Exponential growth curves are S-shaped.
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Answer: a.
Explanation: Exponential (J-shaped) growth occurs when resources are effectively unlimited and reproduction is rapid — a pattern typical of r-selected species. Statement b is false (exponential growth accelerates, it doesn't slow), c is false (many organisms can show exponential growth under ideal conditions), and d is false (S-shaped curves describe logistic growth, not exponential).
Explanation: Exponential (J-shaped) growth occurs when resources are effectively unlimited and reproduction is rapid — a pattern typical of r-selected species. Statement b is false (exponential growth accelerates, it doesn't slow), c is false (many organisms can show exponential growth under ideal conditions), and d is false (S-shaped curves describe logistic growth, not exponential).
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