The Characteristics of Life Flashcard Review

Front

What is a stimulus?

Back

A change in the environment that affects an organism's activities.

Front

What is a response to a stimulus?

Back

An action or change in behavior of an organism as a result of a stimulus.

Front

What is ATP?

Back

A special energy molecule that all life runs on.

Front

What is DNA?

Back

The instructions on how to make all the proteins an organism needs.

Front

How do unicellular organisms grow?

Back

By increasing the size of their single cell.

Front

What is homeostasis?

Back

The ability of an organism to maintain stable internal conditions.

Front

What is cellular respiration?

Back

The process by which cells convert glucose and oxygen into energy.

Front

What is an example of a plant's response to light?

Back

A plant bending toward light.

Front

What is the role of proteins in living organisms?

Back

Proteins perform a variety of functions including structural support, transport, and catalyzing biochemical reactions.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells.