Homeostasis and Stimulus & Response

Define homeostasis.

• Maintaining balance in a living organism.

• The imbalance inside of an organism.

• None of the above.

Tags

NGSS.HS-LS1-3

Check all that apply. Which of the following are examples of an organism maintaining homeostasis?

• Shivering when cold

• Sweating when hot

• Fever - an immune response when sick

• Vomiting - releases toxins and wastes

Define stimulus.

• Change in an organism’s environment that causes it to react.

• How the organism reacts to the stimulus.

Tags

NGSS.MS-LS1-8

Define response.

• Change in an organism’s environment that causes it to react.

• How the organism reacts to the stimulus.

Stimulus is like the "cause" and response is like...

• the cause

• the effect

• the reaction rate

• the response time

Tags

NGSS.MS-LS1-8

The response is like the "effect" and the stimulus and like what?

• the cause

• the effect

• the reaction rate

• the response time

Tags

NGSS.MS-LS2-4

What are the two types of stimuli?

• External and internal stimuli

• External and intermediate stimuli

• Internal and extraterrestrial stimuli

Tags

NGSS.MS-LS1-8

External stimuli...

• Stimuli happening outside of the organism

• Stimuli happening inside the organism

Tags

NGSS.MS-LS1-8

Internal stimuli...

• Stimuli happening outside of the organism

• Stimuli happening inside the organism

Tags

NGSS.MS-LS1-3

The presence of food causes the dog to drool. What kind of stimuli is the food?

• External

• Internal

Tags

NGSS.MS-LS1-8