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Homeostasis
Feedback Loops
Homeostasis Cycle
Graphing
100

Define homeostasis.

What is the ability of an organism to maintain a stable internal environment.

100
The two types of feedback loops
What is Positive and Negative Feedback
100

This produces a change in a variable.

What is a Stimulus?

100
Determine the type of graph that is used to show different feedback mechanisms.

What is a line graph?

200
Disrupts homeostasis
What is disease or illness!
200
An INCREASE in one action causes an INCREASE in another
What is positive feedback
200

The brain is considered this.

What is the control center?
200
Name the variable that is graphed on the x axis.

What is the independent variable?

300

Determine three examples of necessary life functions.  

What is to Maintain Boundaries, Move, Respond, Digest, Metabolize, Excrete, Reproduce and/or Grow?

300

An example of a positive feedback

Answers vary

300

Put the cycle in right order: Output, Control Center, Input, Stimulus detected

Stimulus Detected

Input

Control Center

Output

300

When creating a graph, name three requirements for graphing accurately.

Labeled

Titled

Evenly and equally spaced axis

Large graph

400

The balanced levels of pH, Body Temperature, and Blood Sugar are... (Numbers)

What is pH- 7.35, Body Temperature-37 degrees Celsius, Blood Sugar- 0.1%

400

Most common feedback in the body and nature

What is negative feedback

400

Identify the term in the homeostasis cycle that happens before it reaches the control center:Effector, Receptor, Variables Balance

What is a receptor.

400

The y axis portrays this variable.

What is the dependent variable?

500
If homeostasis is not achieved this occurs...
What is death!
500

The control of body temperature, heart rate, and the concentration of sugar in the blood are all regulated by

What is feedback mechanism

500

The Effector produces this to control homeostasis.

What is a Response?

500

Name the variable that can only change one thing.

What is the independent variable?