8 terms

Miller and Levine Biology Chapter 1.3

Studying Life
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Biology
the study of life
DNA
a genetic code written in a molecule
Stimulus
a signal to which an organism responds
Sexual reproduction
cells from two parents unite to form the first cell of a new organism
Asexual reproduction
a single organism produces offspring identical to itself
Homeostasis
metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
Metabolism
The combination of chemical reactions through which an organism builds up or breaks down materials
Biosphere
the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
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