Bio Unit 4 Section 1 Vocabulary

Any behavior of a living organism that results from an external or internal stimulus.

• Response

• Regulate

• Homeostasis

• Positive feedback loop

A collection of similar cells performing a specific function.

• Homeostasis

• Cell

• Organ

• Tissue

A self-contained group of tissues that performs a specific function.

• Cell

• Tissue

• Organ

• Regulate

This process enhances or amplifies changes; this tends to move a system away from its equilibrium state & make it more unstable.

• Homeostasis

• Regulate

• Positive Feedback

• Negative Feedback

The stable internal conditions of a cell required to sustain life.

• Homeostasis

• Regulate

• Respones

• Negative feedback

This process tends to dampen or buffer changes; this tends to hold a system to some equilibrium state which makes it more stable.

• Positive Feedback loop

• Homeostasis

• Negative feedback loop

• Response

Occurs when any biological process is changed in its frequency, rate or extent. Cellular activities are regulated or controlled at different times in order for the body to maintain homeostasis.

• Regulate

• Response

• Homeostasis

• Positive feedback loop