The best example of biological fitness is the ability of the individual to
a
Adapt to environmental conditions.
b
Contribute to the gene pool of the next generation.
c
Acquire new characteristics.
d
Live to reproductive age.
1 answer
b. Contribute to the gene pool of the next generation. By passing on their genes to the next generation, individuals are increasing the likelihood that those genes will continue to be present in future populations, indicating a high level of biological fitness.