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The Study of Life

Horizontales
An explanation of a natural phenomenon supported by many observations and experiments over time
Describes relationships under certain conditions
Anything that is part of the environment and causes some sort of reaction by the organism
Regulation of an organism's internal conditions to maintain life
The study of life
Instructions for traits that are passed from parent to offspring
Verticales
The reaction to a stimulus
Outline specific guidelines that must be followed during an experiment
Any inherited characteristic that results from changes to a species over time
A testable explanation of a situation or phenomenon
A group of organisms that can breed with one another and produce fertile offspring