What is the name given to an observable characteristics of an organism

The name given to an observable characteristic of an organism is a phenotype.

The name given to an observable characteristic of an organism is called a trait. A trait can be any physical feature, behavior, or other characteristic that can be observed or measured in an organism. Examples of traits in animals can include fur color, eye shape, or the ability to swim. In plants, traits can include flower color, leaf shape, or height. To identify the name of a specific trait, you can either consult a reputable biology textbook or conduct a search using a reliable scientific database or search engine.

The name given to an observable characteristic of an organism is called a phenotype.