Biology Homeostasis

How are organisms able to respond to changes in their environment?

Through the nervous and/or the endocrine system

Why do organisms need to respond to changes in their internal environment?

In order to function properly and efficiently, as homeostasis is critically important for organisms to maintain optimal conditions for enzyme action and cell function

What is Homeostasis?

Homeostasis is maintaining a constant internal environment

What are five examples of things that are needed to be maintained?

CO2, Water content , Salts, Body temperature, pH

What do coordinated responses consist of and what they are?

• A stimulus which is a detectable change in the environment

• A receptor which allows organisms to detect stimuli

• Effector which brings about responses to restore optimum levels