1.8. Characteristics of Life

Front

What is the definition of a living thing?

Back

A living thing, or organism, is something that shares common properties with other living things.

Front

What do mushrooms, daisies, cats, and bacteria have in common?

Back

They are all living things, or organisms.

Front

What is the common ancestor of all living organisms?

Back

All organisms evolved from the same common ancestor that lived billions of years ago.

Front

What do all living organisms need to carry out life processes?

Back

Energy.

Front

What are living organisms composed of?

Back

One or more cells.

Front

How do living organisms respond to their environment?

Back

They react to changes in their environment.

Front

What are the two main processes that living organisms do?

Back

Grow and reproduce.

Front

What do living organisms maintain to survive?

Back

A stable internal environment.

Front

Why do living organisms need energy?

Back

To carry out life processes and do work.