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Everything (living and nonliving) that surrounds and influences an organism.

environmental factor

Any one part of an environment.


Any living thing.


A mini-garden in an enclosed container.


Of, on, or relating to the earth.


When a seed sprouts, or starts to grow and develop.

controlled experiment

A set of compared investigations in which one variable is manipulated by steps while all other variables are controlled or kept the same.

preferred environment

The set of environmental conditions that an organism appears to choose over other conditions.

range of tolerance

The varying conditions of one environmental factor in which an organism can survive.

optimum conditions

The condition or degree of an environmental factor that is most favorable to growth, where an organism is able to thrive.


Alive and able to grow.


An unexpected result, out of the ordinary.


Selected plants that have been organized on a plot of the earth.

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