Which of the following definitions adequately describes the concept
of fitness in evolutionary biology?
The ability of an organism to survive regardless of its reproductive
capabilities
The genetic contribution of an individual to succeeding generations,
compared with that of other individuals in the population
The ability of a species to survive and preserve the species as a group
The overall physiological condition of an organism, as measured by a
performance test
The physical ability of an organism, as measured by its aerobic
capacity, muscular strength, body composition and overall good health
