Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 53 - 53.1 - Concept Check: 2

Answer

A mark-recapture method is not valid when the captured animal has a negative experience during its capture. Due to these bad memories, the animal might lern to avoid the traps because it would not like to experience the events; Thus, they will less likely to be recaptured. Consequently, the number of recaptured will be lower and the population size will be overestimated.

Work Step by Step

Population size = sn/x s - Number of individuals marked and released in the first sampling n - Total number of individuals recapted x - Total number of captured individuals in the second sampling
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