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.

Most of the body's feedback loops are ____________ loops.

Body temperature regulation is an example of a ______________ loop

In a positive feedback loop, each action creates a consequence that _____________________ the other action.

In a negative feedback loop, each action creates a consequence that _____________________ the other action.

A ________________ feedback loop makes a system more stable.

A _________________ feedback loop moves a system to an extreme.

A thermostat in a central heating system can determine the temperature of your living room. It switches the air conditioner on when the temperature increases to a predetermined level and shuts it off when it cools to another level. The room temperature remains within a comfortable level regardless of the temperature outside.

In an economic recession, job loss leads to decreased spending, which harms businesses and leads to even more job loss.

When the population of deer in an area begin to grow, they start overgrazing the vegetation that feeds them. When there is not enough vegetation to sustain the rapidly growing deer population, they will begin to die off until the vegetation grows back to normal levels and the deer will have enough food to repopulate again. 

This image is an example of

A organization posts an advertisement with a very "click-baity" title and image on a social media platform. The title and image draw in people to click on the ad. As the ad receives more views, the algorithm shows the ad to more people.

In some developing countries poverty causes illness and contributes to poor standards of education. In the absence of knowledge of family planning methods and hygiene, this contributes to population growth and illness, adding further to the causes of poverty; “a vicious circle of poverty.”

Does the graph show positive or negative feedback?

Negative feedback loops result in stabilization of a system.

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

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