1-3 Studying Life

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Chapter 1 The Science Of Biology, 1-3 Studying Life

Biology

Science that seeks to understand the living world

Cell

Collection of living matter enclosed by a barrier that separates the cell from it's surroundings; basic unit of all forms of life

Sexual Reproduction

Process by which two cels from different parents unite to produce the first cell of a new organism

Asexual Reproduction

Process by which a single parent reproduces by itself

Metabolism

Set of chemical reactions through which an organism builds up or breaks down materials as it carries out it's life processes

Stimulus

A signal to which an organism responds; any kind of detectable signal that carries information

Homeostasis

Process by which organisms maintain a relatively stable internal environment

Evolution

Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms

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