Across
- 2. a person that studies biology
- 5. a branch of biology that studies animals
- 8. a branch of biology that studies how characteristics are passed from parents to offspring
Down
- 1. different kinds of tissues joining together
- 3. a living thing
- 4. study of living things
- 6. basic unit of life
- 7. groups of cells that are similar and act together to do a certain job