Which best defines homeostasis? modifying the external environment maintaining a stable internal environment controlling what enters and exits the cell movement of materials into the cell?

The right option is; maintaining a stable internal environment

Maintaining a stable internal environment best defines homeostasis.

Homeostasis is a process by which the body tends to maintain a constant and balanced internal environment which requires adjusting to conditions and changes. Examples of homeostasis include the maintenance of body weight, and the human body temperature which is mostly around 37 degrees Celsius.

The correct answer is b

atp is used for energy.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs