1. (5 pts) Based on what you've learned about fitness in a species, which of the four male sharks described below
would biologists consider the "fittest”? Dory says that Billy was the fittest shark because he lived the longest and
produced the most pups. Nemo says that Bruce was
the fittest. Who is right? Explain your answer.
NAME
Billy
AGE AT DEATH
26 YEARS
# OF Pups FATHERED
25
# OF Pups SURVIVING TO
14
ADULTHOOD
SIZE
8.5 FEET
Anchor
22 YEARS
22
14
Chum
23 YEARS
19
15
Bruce
20 YEARS
22
19
10 FEET
9 FEET
9 FEET