Biology Quiz 3-Homeostasis

If calcium levels within a man's blood drop too low it can result in twitching, depression, coma, or even death. Which characteristic of life is the man being affected by?

Along with sensory receptors, _____ transport information to the integrating center.

_____ is a control mechanism that intensifies an earlier reaction.

Claude Bernard first recognized _____.

The response of an effector is _____.

After receiving a stimulus, the _____ send(s) signals to the appropriate area of the body.

Organisms have the ability to regulate their internal environment in order to maintain a steady state called _____.

Positive feedback is most like _____.

Negative feedback is most like _____.

Environmental change that triggers a definite action on the part of the organism serves as a(n) _____.

A plant may open and close its stomata to prevent excess water loss and maintain ____

When a woman goes into labor during childbirth, the cervix expands which sends a signal to the pituitary gland to release oxytocin which results in more contractions which results in more oxytocin being released and so on. What is happening during childbirth?

_____ occurs when the response serves to counteract the stimulus.

How do some plants survive the intense desert heat and drought?

An example of maintaining homeostasis at the system level would be _____.