Asorting device made up of a system of choices that is used to classify organisms is called a key systematics taxon a characteristic

Answer;

-A key

A sorting device made up of a system of choices that is used to classify organisms is called a key.

Explanation;

-Living organisms can be classified according to their characteristics. Keys can be used to identify different species. A key will usually ask questions based on easily identifiable features of an organism.

-For example, dichotomous keys use questions to which there are only two answers. They can be presented as a table of questions, or as a branching tree of questions.

it is a learned trait

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.