To Measure the Population of Lake Trout in a 250-Hectare

question 42

Multiple Choice

To measure the population of lake trout in a 250-hectare lake, 400 individual trout were netted and marked with a fin clip, then returned to the lake. The next week, the lake was netted again, and out of the 200 lake trout that were caught, 50 had fin clips. Using the mark-recapture estimate, the lake trout population size could be closest to which of the following?

• A) 200
• B) 400
• C) 1,600
• D) 80,000

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