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Growth

Increase in size

Respiration

The process by which living things convert sugar into energy (ATP) in the presence of oxygen

Regulation

The sum of all activities that help maintain an organisms homeostasis

Homeostasis

The maintenance of a stable internal environment

Metabolism

All the chemical reactions occuring within the cells of an organism

Excretion

The removal of metabolic wastes

Nutrition

Taking materials from the external environment and changing them into usable forms

Reproduction

Production of new organisms of the same kind

Synthesis

Combining simple substances chemically to make more complex substances (allows for growth and repair)

Transport

Process by which substances enter and leave cells and become distributed in the organism

Biology

The study of life

Cell

The basic unit of life

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