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The process of moving or flowing in a circle or a regular cycle. Commonly used in biology (blood), economics (capital), and ecology (resources).

The branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data.

To calculate, yield, or produce a certain amount or result. Often used for numerical data or industrial production.

The quality of being trustworthy or performing consistently well; reliability.

To act upon something or to have an effect/influence on a situation or process.

The variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.

To fall behind or be eliminated because of an inability to keep up with competition or changing environments. It is often used in biological evolution or business competition contexts.

To cultivate or culture bacteria, cells, or plants in a controlled environment. Metaphorically, it also refers to developing or nurturing a person's abilities or character.

To combine or join two or more things together to form a single entity or to work together.

A set of events or a period of time that repeats regularly in the same order.