Homeostasis Final Review

Front

What type of cell does not have a nucleus or membrane-bound organelles?

Back

Prokaryote cell.

Front

How does sweat cool the body?

Back

When water evaporates, it absorbs heat from the skin.

Front

What is the pH of a solution that is considered acidic?

Back

A solution with a pH of less than 7 is considered acidic.

Front

What must occur for exponential growth to continue?

Back

Resources must be unlimited.

Front

What type of bond exists between the two hydrogens and oxygen in a water molecule?

Back

Polar covalent bond.

Front

Define homeostasis.

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.

Front

What is the role of the cell membrane in homeostasis?

Back

The cell membrane regulates the movement of substances in and out of the cell, helping to maintain homeostasis.

Front

What is an example of a feedback mechanism in homeostasis?

Back

The regulation of body temperature is an example of a feedback mechanism.

Front

What is the difference between positive and negative feedback in biological systems?

Back

Negative feedback reduces the output of a system, while positive feedback enhances it.

Front

What is the significance of water in maintaining homeostasis?

Back

Water is essential for regulating temperature and transporting nutrients and waste.