JH Response in Organisms Vocab

A change in an organism's environment that causes a response -

• stimulus

• response

• tropism

• behavior

A reaction to a stimulus -

• response

• behavior

• reflex

• instinct

A plant's growth response toward or away from a stimulus.

• wilting

• relex

• tropism

The way a plant grows or bends in response to light.

• dormancy

• migration

• phototropism

The way a plant grows or bends in response to gravity.

• stimulus

• geotropism

• behavior

The way a plant grows or bends in response to water.

• hydroprotism

• thigmotropism

• positive tropism

The way a plant grows or bends in response to touch.

• thigmotropism

• geotropism

• hydrotropism

Occurs when the plant moves toward or in the direction of a stimulus.

• positive tropism

• negative tropism

Occurs when a plant moves away from or against a stimulus.

• positive tropism

• negative tropism

Pressure of water against the cell wall of a plant cell

• turgor pressure

• truck pressure

• terror pressure