Rank the following mice (house mouse Mus musculus) from greatest reproductive su

Question

Rank the following mice (house mouse Mus musculus) from greatest reproductive success (rank 1) to least reproductive success (rank 5) over the course of their lifetime. Assume all individuals reach reproductive maturity at 4 weeks. Mouse D (Lifespan = 1 year, 6 liters per year, 3 fertile offspring per litter) Mouse A (Lifespan = 1 year, 10 liners per year, 1 fertile offspring per liner) Mouse C (Lifespan = 3 years, 5 liters per year 1 fertile offspring per liner) Mouse E (Lifespan = 2 years, 5 liners per year, 3 fertile offspring per litter) Mouse B (Lifespan = 2 years, 8 liners per year, 2 fertile offspring per litter)

Explanation / Answer

Reproductive success is determined by number of fertile offspring

Mouse D - 18 fertile offspring - Rank 3

Mouse A - 10 fertile offspring - Rank 5

Mouse C = 3 x 5 = 15 fertile offspring - Rank 4

Mouse E = 2 x 15 = 30 fertile offspring - Rank 2

Mouse B = 3 x 16 = 32 fertile offspring - Rank 1

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