Plant Responses to External and Internal Stimuli

Plants following the sun exhibit (show)

• Phototropism

• Geotropism

• Hydrotropism

• Thigmotropism

Tags

NGSS.MS-LS2-1

The plant is following the light.

• Phototropism

• Thigmotropism

• Hydrotropism

• Geotropism

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

When plants grow in towards the light, this is called:

• Phototropism

• Geotropism

• Germination

• Thigmotropism

Tags

NGSS.MS-LS2-1

What term refers to a plant growing or moving away from a stimulus?

• Touch

• Dormancy

• Tropism

• Development

Plants can respond to changing environmental conditions by the use of which chemicals?

• sugars

• hormones

• enzymes

• pigments

A plant's response to an environmental stimuli is known as a _______.

• action

• tropism

• reply

Which type of tropism involves a plant's growth response to light?

• Hydrotropism

• Geotropism

• Phototropism

• Thigmotropism

Phototropism is (a)  

• The plant response to water

• The plant response to light

• The plant response to gravity

• The plant response to soil

A plants response to gravitational force is - (a)  

• Geotropsim

• Thigmotropsim

• Hydrotropism

• Phototropism

Stimulus...

• A change that prompts an action-the cause

• The ability to maintain a stable internal environment (type of equilibrium or balance)

• How an organism reacts to a change and results in a change in behavior- the effect

• Constant and balanced environment

Tags

NGSS.MS-LS2-4