A ___ is anything in an organism’s environment that it might react to (~the “cause”).

An ___ stimulus is the type of stimulus that comes from inside the organism.

An ___ stimulus is the type of stimulus that comes from the organism's surroundings / environment.

A ___ is an organism's reaction to a stimulus (~the “effect”).

A ___ response is the type of response where the organism moves or grows TOWARDS the stimulus.

A ___ response is the type of response where the organism moves or grows AWAY FROM the stimulus.

___ are specialized plant cells that gather information about their surroundings (similar to your eyes ears).

___ are special chemicals made by plants that are used to send messages and control the growth of stems and roots.

___ is the special name for PLANT responses to their environment.

___ is plant movement or growth towards (or away from) LIGHT.

___ is plant movement or growth towards (or away from) GRAVITY.

___ is plant movement or growth towards (or away from) WATER.

___ is plant movement or growth towards (or away from) TOUCHING something.

Plant ___ often have a positive response to LIGHT - meaning they grow towards light.

Plant ___ often have a positive response to GRAVITY - meaning they grow downwards towards gravity.

Plant ___ often have a negative response to GRAVITY - meaning they grow up away from gravity.

Plants stems leaves grow towards light because ___.

Plant ___ often have a positive response to WATER - meaning they grow towards water.

___ is when plants temporarily stop growing - often to prepare for very cold or very dry seasons.

when a plant continually turns to face towards (or away from) the Sun over the day

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