As with Alpha taxonomy, the evidence of relationship is observable shared characteristics.

The observable characteristics of such high-pressure systems are usually clear, cloudless days with little or no wind.

A human sense modelled as a probe measures observable physical characteristics of objects in our environment.

The differentiation can be based on one or more observable human characteristics, including, for example, ethnicity, race, gender, wealth, health or sexual orientation.

Another extension adds behavior to the phenotype, since behaviors are also observable characteristics.

The sum rule obtained in this way allows to calculate observable characteristics of the hadronic ground state.

Though different in detail, these ideas are similar, in that they both derive from the clock's observable characteristics and behaviour.

The evidence of linguistic relationship is found in observable shared characteristics that are not attributed to borrowing.

It's one thing to know the human genome, but another to know what factors dictate how it relates to our observable characteristics or phenotype.

A phenotype refers to the observable characteristics of an organism.