Responses to Internal VS. External Stimuli

Homeostasis...

• A stimulus from inside an organism
• How an organism reacts to a change
• The ability to maintain a stable internal environment (type of equilibrium or balance)
• A stimulus from outside an organism

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NGSS.HS-LS1-3

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-LS1-8

Which of the following is an example of an external Stimuli?

• Becoming dehydrated and then taking a drink of water
• Getting a headache and then taking Excedrin
• Having hunger pains and then eating a sandwich
• Smelling Pizza and then eating a piece

Tags

NGSS.MS-LS1-8

Which plant would be stiff and rigid?

• A

• B

Which plant would be wilted or limp?

• A

• B

Tags

NGSS.MS-LS1-5

Which plant would be stiff and rigid?

• The plant with the full vacuole in the cell

• The plant with the empty vacuole in the cell

• All plants the water in the vacuole does not matter

Tags

NGSS.MS-LS1-2

Plants following the sun exhibit (show)

• Phototropism

• Geotropism

• Hydrotropism

• Thigmotropism

Tags

NGSS.MS-LS1-5

The plant is following the light.

• Phototropism

• Thigmotropism

• Hydrotropism

• Geotropism

Tags

NGSS.MS-LS1-5

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

• Phototropism

• Geotropism

• Germination

• Thigmotropism

Tags

NGSS.MS-LS1-5

True or False? Plants have tissues and organs.

• True

• False

Tags

NGSS.HS-LS1-2