Homeostasis and Feedback Loops

Homeostasis is

• The process by which organisms maintain a relatively stable internal environment
• The process by which organisms change their internal environment
• The process by which organisms adapt to their external environment
• The process by which organisms evolve over time

Tags

NGSS.HS-LS1-3

A Negative Feedback Loop is...

• A process that reinforces a system's output
• A process that counteracts a system's output
• A process that has no effect on a system's output
• A process that amplifies a system's output

Tags

NGSS.HS-LS1-3

A Positive Feedback loop is...

• A system where the output enhances the original stimulus
• A system where the output suppresses the original stimulus
• A system where the output has no effect on the original stimulus
• A system where the output reverses the original stimulus

Tags

NGSS.HS-LS1-3

During Homeostasis...

• The sensor sends a message to the effector

• The effector sends a message to the control center

• The sensor sends a message to the control center

• The control center sends a message to the sensor

Tags

NGSS.HS-LS1-3

Negative feedback loops

• Have negative effects on the body

• Hurt the body

• Help the body

• Correct an imbalance in the opposite direction

Tags

NGSS.HS-LS1-3

Positive feedback loops

• Are good things

• Always heal the body

• Increase a change in the body

• Are bad

Tags

NGSS.HS-LS1-3

In homeostasis the control center

• Sends a message to the effector

• Sends a message to the sensor

• Causes a change to the environment

• Always causes a positive feedback loop

Tags

NGSS.HS-LS1-3

This image shows what type of feedback loop?

• Negative

• Positive

• Isotonic

• Hypnotic

Tags

NGSS.HS-LS1-3

This image shows what kind of feedback loop?

• Positive

• Negative

• Hypotonic

• Enzymatic

Tags

NGSS.HS-LS1-3

This graph shows an example of...

• Blood sugar regulation

• Homeostasis

• Negative feedback

• Positive feedback

Tags

NGSS.HS-LS1-3