Unit 1 Formative 2

Positive Feedback loop

• decreases the stimulus

• increases the stimulus

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NGSS.MS-LS2-3

Negative feedback returns BACK to the set point

• False

• True

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This graph shows an example of...

• Blood sugar regulation

• Homeostasis

• Negative feedback

• Positive feedback

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NGSS.HS-LS1-3

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

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NGSS.HS-LS1-3

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment

• is the maintenance of a relatively stable external environment

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NGSS.HS-LS1-3

The "cause" for something to happen is the

• response
• effect
• stimulus
• homeostasis

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NGSS.MS-LS2-4

NGSS.MS-LS3-1

NGSS.MS-LS4-4

The "effect" of a given stimulus is the...

• response
• stimulus
• cause
• result

To prevent antibiotic resistance from developing, you should... (Select all that apply.)

• only use antibiotics when needed

• only take half the amount of antibiotics prescribed by your doctor

• only take antibiotics for viruses

• complete the full amount of antibiotics prescribed by your doctor

How has antibiotic resistance changed over time?

• It hasn't changed at all.

• Bacteria are becoming less resistant to the antibiotics that are being prescribed.

• Humans are buying less antibiotics, and antibiotics are becoming more effective.

• Bacteria are becoming more resistant to the antibiotics that are being prescribed.

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What is antibiotic resistance?

• The ability for humans to resist antibiotics.
• The ability for humans to repel bacteria. 
• The ability for bacteria to survive the effects of antibiotics.

• The ability for bacteria to become weak from antibiotics.

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NGSS.MS-LS4-4