Across
- 4. – a living thing
- 7. – a condition or event in the environment
- 8. – a group of living things that have similar characteristics and can reproduce
- 9. – having one cell
Down
- 1. – the process of living organisms staying the same
- 2. – the change that happens in a living organism because of a stimulus
- 3. – having several or many cells
- 5. – the smallest unit of life
- 6. – process by which all living things make other organisms similar to themselves