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Your team wants to determine the population size for roseate terns (a bird). You

ID: 317953 • Letter: Y

Question


Your team wants to determine the population size for roseate terns (a bird). Your team arrives 1 week into the breeding season. The team captures and bands (a small tag around the leg) 274 terns. One week later, the team returns and captures 154 terns, of which 8 were banded last week. What is the estimated population size for roseate terns?

Your team wants to determine the population size for roseate terns (a bird). Your team arrives 1 week into the breeding season. The team captures and bands (a small tag around the leg) 274 terns. One week later, the team returns and captures 154 terns, of which 8 were banded last week. What is the estimated population size for roseate terns?

Your team wants to determine the population size for roseate terns (a bird). Your team arrives 1 week into the breeding season. The team captures and bands (a small tag around the leg) 274 terns. One week later, the team returns and captures 154 terns, of which 8 were banded last week. What is the estimated population size for roseate terns?

Explanation / Answer

the population size= number ofbirds banded in first week +number of birdes banded in second week -

                                number of banded already

=>274+154-8=>420