External and Internal Stimuli

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

There is high temperature outside. What type of response can a person's body have to regulate body temperature?

• Wearing a jacket
• Sweating
• Taking an ice bath
• Wearing a visor

A cheetah's water levels are becoming too high, and its thirst is quenched. In response to this, the cheetah's body will send internal signals...

• Of hunger, since the cheetah needs food

• Of thirst, since all living things need water

• To sweat, so the organism can shed some of the water

• Of quenched thirst (not being thirsty anymore), so the organism will stop drinking water

Tags

NGSS.MS-LS2-1

Which of the following would be an appropriate response to a bee sting on a person's arm?

• Screaming in pain
• Swatting at the bee to get it off of you
• Your arm swelling and possible skin irritation
• All of the above

Steven sets a brand new plant near the window. After several weeks Steven realizes the flower is starting to tilt towards the sunlight. What would be considered the stimuli in this scenario?

• Water
• The dirt in the flower pot
• The sunlight
• The window

In the scenario of a plant tilting toward the window, what is the response to the stimuli?

• The Sunlight
• Growing/tilting towards the sunlight
• Tilting towards the ground
• Gravity

Tags

NGSS.MS-LS1-5

Which of the following is a response to smelling food?

• Rapid Blinking
• Excessive sweating
• Increased hunger
• Sensitivity to sound

Tags

NGSS.MS-LS1-8

Many birds migrate long distances when the seasons change. Which of the following is an environmental stimulus that would signal to the birds the changing seasons?

• Changes in the length of daylight
• Increases in the population of edible plants
• Decreased number of offspring per hatching event
• Increase in annual precipitation levels

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

Tags

NGSS.HS-LS1-3

What type of tropism is shown in the picture

• geotropism

• phototropism