Answer the following question given this paragraph: Cells are found in all different types of environments, and these environments are constantly changing. For example, one-celled organisms, like bacteria, can be found on your skin, in the ground, or in all different types of water. Therefore, cells need a way to protect themselves. This job is done by the cell membrane, which is also known as the plasma membrane. Q: Name a one-celled organism that can be found on your skin, in the ground, or in all different types of water. Choices: - virus - fungus - pathogens - bacteria A:
bacteria