A population ecologist is studying the demographics of American bison living on a grassland in North Dakota. She captures, marks, and releases 100 bison. Later, she recaptures 100 bison and discovers that 50 were previously marked and half of those marked are of reproductive age. What is the population ecologist's estimate of how many bison in the total population are of reproductive age?
A) 200
B) 50
C) 100
D) 20
E) 10

Question

Quizplus · Accepted Answer

The Answer is A

A Population Ecologist Is Studying the Demographics of American Bison