What are all living organisms composed of?
Composed of one or more cells and cell products
What is life’s fundamental structural unit?
The cell
What are all cells surrounded by?
A membrane
What’s a membrane?
Separate the living inside from the nonliving outside
What is the genetic program that all cells have?
It supports and directs faithful reproduction
What do all cells acquire and use?
Energy
What do cells respond to?
Environmental/external stimuli
What do all cells (life) do?
evolve