A group of zoo chimpanzees was analyzed over several years. Which of the chimpanzees was the fittest in this environment?
$$\begin{array} { | l | c | c | c | c | }
\hline \text { Name } & \begin{array} { c }
\text { Age at } \
\text { death }
\end{array} & \begin{array} { c }
\text { Weight } \
( \mathrm { kg } )
\end{array} & \begin{array} { c }
\text { Number of } \
\text { offspring }
\end{array} & \begin{array} { c }
\text { Number of } \
\text { surviving offspring }
\end{array} \
\hline \text { Daisy } & 32 & 38 & 4 & 4 \
\hline \text { Bella } & 55 & 32 & 3 & 3 \
\hline \text { Lucy } & 46 & 43 & 6 & 2 \
\hline \text { Anna } & 28 & 45 & 5 & 2 \
\hline
\end{array}$$

Question

A group of zoo chimpanzees was analyzed over several years. Which of the chimpanzees was the fittest in this environment?
$$\begin{array} { | l | c | c | c | c | } 
\hline \text { Name } & \begin{array} { c } 
\text { Age at } \
\text { death }
\end{array} & \begin{array} { c } 
\text { Weight } \
( \mathrm { kg } )
\end{array} & \begin{array} { c } 
\text { Number of } \
\text { offspring }
\end{array} & \begin{array} { c } 
\text { Number of } \
\text { surviving offspring }
\end{array} \
\hline \text { Daisy } & 32 & 38 & 4 & 4 \
\hline \text { Bella } & 55 & 32 & 3 & 3 \
\hline \text { Lucy } & 46 & 43 & 6 & 2 \
\hline \text { Anna } & 28 & 45 & 5 & 2 \
\hline
\end{array}$$

Quizplus · Accepted Answer

Fitness in an evolutionary context often refers to an organism's ability to survive to reproductive age, find a mate, and produce offspring. Daisy, with 4 offspring all surviving, demonstrates the highest fitness as all her offspring have the potential to pass on their genes.

A Group of Zoo Chimpanzees Was Analyzed Over Several Years