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A pond had 20 lotus plants and 8 new plants were added by reproduction. What is the birth rate?
A0.2 per lotus per year
B2.5 per lotus per year
C0.8 per lotus per year
D0.4 per lotus per year
Answer & Solution
Correct answer: D. 0.4 per lotus per year
Per capita birth rate is new plants divided by the initial number, 8 divided by 20 giving 0.4.
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