Characteristics of Life, Experiments and Organization of Life

Front

What is a tissue?

Back

Groups of similar types of cells that work together to carry out a specific task.

Front

What are variables in an experiment that need to be kept the same called?

Back

Control.

Front

Why are rocks not considered living?

Back

They are not made of cells.

Front

What do all living things have?

Back

Cells.

Front

What is a stimulus?

Back

Something that causes a change that affects the activity of an organism.

Front

What is the smallest unit of life?

Back

Cell.

Front

What is an independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is a dependent variable in an experiment?

Back

The variable that is measured and affected in the experiment.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment.

Front

What is an organism?

Back

A living thing that can react to stimuli, grow, reproduce, and maintain homeostasis.