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At the Beginning of 2017, a Song Sparrow Population Had

Question 25

Multiple Choice

At the beginning of 2017, a song sparrow population had 131 members.In the previous year, 21 birds were born and 32 birds died.Also in the previous year, 5 birds immigrated into the population and 9 birds emigrated from it.Which solution to the population growth equation, Nt = N0 + (B - D) + (I - E) , is correct for this set of data?


A) Nt = 131 + (21 - 5) + (32 - 9) Nt = 170
B) Nt = 131 + (32 - 5) + (21 - 9) Nt = 170
C) 131 = N0 + (21 - 32) + (5 - 9) N0 = 146
D) Nt = 131 + (21 - 32) + (5 - 9) Nt = 116
E) 131 = N0 + (21 - 5) + (32 - 9) N0 = 92

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