Positive and Negative Feedback Loops

What type of feedback loop is shown?

• Positive

• Neutral

• Negative

Tags

NGSS.HS-LS1-3

What type of feedback loop is shown?

• negative

• neutral 

• positive

Tags

NGSS.HS-LS1-3

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 

• receptor and effector

• static and dynamic

• minor and major

Tags

NGSS.HS-LS1-3

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

• Positive Feedback Response

• Negative Feedback Loop 

Tags

NGSS.HS-LS1-3

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

Negative Feedback Loops:

• amplify processes

• prevent small changes from getting larger

• are initiated during childbirth

• are found only in plants

Tags

NGSS.HS-LS1-3

Maintaining body temperature is an example of a:

• negative feedback loop

• positive feedback loop

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

According to the feedback loop, what does high blood sugar promote?

• Insulin Release

• Glucagon Release

• Insulin Uptake

• Glycogen Uptake

Tags

NGSS.HS-LS1-3

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

• Positive Feedback Response

• Negative Feedback Loop 

Tags

NGSS.HS-LS1-3