Across
- 1. every living thing is made up of ________
- 3. ______ is required for all life processes
- 4. someone who studies biology
- 6. single-celled life form
- 10. having a baby is the process of ________
Down
- 2. ______ is a group of organisms that can breed with one another
- 5. another way of saying living things are arranged in an orderly way
- 7. the process of natural changes that take place during the life of an organism
- 8. the study of life and living organisms
- 9. characteristic of life where the size increases