Feedback Loops

Loops that cause a response to build up and build up until something big happens are called ____________ loops

• positive

• negative

Tags

NGSS.HS-LS1-3

The heater kicks on and the house warms up, so it kicks off. Then the house cools a bit and the heater kicks back on. This continues all day. It's a _____________ loop.

• positive

• negative

Tags

NGSS.HS-LS1-3

Body temperature regulation is an example of a ______________ loop

• positive

• negative

Tags

NGSS.HS-LS1-3

Negative feedback loops result in stabilization of a system.

Negative feedback is a process that _______ the effects of a change.

• reduces

• amplifies

• has no effect

Tags

NGSS.HS-LS1-3

Positive feedback loops result in a system moving towards an extreme. Positive feedback is a process that _______ the effects of a change.

• reduces

• amplifies

• has no effect

Tags

NGSS.HS-LS1-3

What type of feedback loop is shown?

• Positive

• Neutral

• Negative

Tags

NGSS.HS-LS1-3

What is the point of a feedback loop?

• To provide the body with more energy

• To provide the body with more food

• To make sure the conditions in the body are always changing

• To make sure the conditions in the body remain stable

Tags

NGSS.HS-LS1-3

Which of the following is an example of a negative feedback loop in the human body?

• Regulation of blood sugar levels

• Blood clotting process

• Childbirth contractions

• Fruit ripening

Tags

NGSS.HS-LS1-3

In a positive feedback loop, the output of a system _______.

• reduces the initial stimulus

• amplifies the initial stimulus

• has no effect on the initial stimulus

• stabilizes the system

Tags

NGSS.HS-LS1-3

What role do feedback loops play in ecosystems?

• They help maintain equilibrium

• They cause ecosystems to collapse

• They have no impact on ecosystems

• They only affect plant growth

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4