Unit 6: Response to Stimulus

What type of stimulus?

The smell of pizza

• Internal

• External

Tags

NGSS.MS-LS1-8

What type of stimulus?
Loud fire alarm

• Internal
• External

Tags

NGSS.MS-LS1-8

What type of stimulus?
Lights suddenly turn off

• Internal
• External

Tags

NGSS.MS-LS1-8

Some animals shed fur as a way to cool down.  What environmental stimulus leads to this?

• Seasons and temperatures becoming cooler
• The sun comes closer to Earth
• Seasons and temperatures get warmer
• It's beach season and they want to look good in a bathing suit

Which type of tropism involves a flower following the sun to obtain the most amount of light?

• Geotropism
• Thigmotropism
• Hydrotropism
• Phototropism

When on a beach vacation, Consuela relaxed and laid out in the sun for hours.  As a result, she received a sunburn that covered most of her skin. Would this response come from an internal or external stimulus?

•    Internal- her skin was burned at a cellular level
• Internal- her skin is a part of her body
•    External- the stimulus was caused by the beach which is outside
• External- the stimulus was caused by the sun which is outside

 Which of the following would be the appropriate response when the body’s internal temperature drops below homeostasis?

• Sweating
• Throwing up
• Shivering
• Death

Homeostasis is the regulation and maintenance of the ________

• External Environment

• Ecosystem

• Internal environment

• Body temperature

Homeostatic cooling mechanisms include

• piloerection and panting

• panting and vasoconstriction

• sweating and piloerection

• sweating and vasodilation

Tags

NGSS.HS-LS1-3

What is the advantage of phototropism?

• A plant gets more light for photosynthesis

• A plant grows straigher

• A plant can germinate faster

• A plant has stronger roots

Tags

NGSS.MS-LS1-6