What makes a behaviour adaptive,according to evolutionary theory

A)  It decreases the amount of genetic drift in the population. 
B)  It increases the likelihood of favourable mutations. 
C)  It aids the survival or reproduction of an organism and its offspring. 
D)  It increases the probability of natural selection.

Adaptive Behaviour

A person's ability to adjust to new situations, meet social standards, and maintain daily living skills.

Evolutionary Theory

A theory explaining the process by which different kinds of living organisms developed and diversified from earlier forms during the history of earth.

Genetic Drift

A mechanism of evolution in which allele frequencies of a population change over generations due to random sampling effects.