Capture re-capture population size.

Capture re-capture population size. You perform a mark-recapture study to understand the population size of slender salamanders (Batrachoseps attenuatuss) in Arcata, California. You initially catch and mark 15 individuals. In your second sample, you catch 20 individuals, and zero of them are marked. You estimate the total population size as ———————————————————- 20 individuals———————————————————- 50 individuals ———————————————————- 125 individuals ———————————————————- 0 individuals ———————————————————- You cannot be certain without more study or a larger sample ———————————————————-