Homeostasis

Earth warms → Increased evaporation which produces more clouds → More reflection of light away from Earth → Temperature falls → Rates of evaporation fall

Is this situation amplifying or stabilize?

• Amplifying

• Stabilizing

Tags

NGSS.HS-ESS2-4

Earth warms → Increased evaporation which produces more clouds → More reflection of light away from Earth → Temperature falls → Rates of evaporation fall

• Positive Feedback

• Negative Feedback

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-5

Earth warms → Ice cover melts, exposing soil or water → More heat is absorbed by Earth’s surface  → Global temperature rises →  More ice melts

• Amplyfiying

• Stabilizing

Tags

NGSS.HS-ESS2-2

Earth warms → Ice cover melts, exposing soil or water → More heat is absorbed by Earth’s surface  → Global temperature rises →  More ice melts

• Positive

• Negative

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

Humans cut down trees for lumber → Deforestation loosens the soil → Water flow erodes unstable soil → Remaining unstable, low quality, soil can no longer sustain trees → More deforestation occurs

• Amplifying

• Stabilizing

Tags

NGSS.HS-ESS2-2

NGSS.HS-LS2-6

Humans cut down trees for lumber → Deforestation loosens the soil → Water flow erodes unstable soil → Remaining unstable, low quality, soil can no longer sustain trees → More deforestation occurs

• Positive

• Negative

Tags

NGSS.HS-ESS2-2

NGSS.HS-LS2-6

Rabbit population decreases when eaten by foxes → Less food causes fox population to decrease → Less predators causes rabbit population to increase → More food causes fox population to increase → Rabbit population decreases when eaten by foxes

• Amplyfing

• Stabilizing

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-3

NGSS.HS-LS2-6

Rabbit population decreases when eaten by foxes → Less food causes fox population to decrease → Less predators causes rabbit population to increase → More food causes fox population to increase → Rabbit population decreases when eaten by foxes

• Positive

• Negative

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

When the product of a reaction leads to an INCREASE in that reaction

• Positive

• Negative

Tags

NGSS.HS-PS1-6

Occurs when the product of a reaction leads to a DECREASE in that reaction. Counteracts what is happening.

• Positive

• Negative

Tags

NGSS.HS-LS1-3