biology words

3. being an organism composed of one or more cells containing visibly evident nuclei and organelles
6. has cells specialized to perform different functions that collectively support the organism
8. a part of an organism that is typically self contained and has a specific vital function
10. the ability to work
11. reaction
13. organisms whose cells lack a nucleus and other organelles
15. reason of reaction

1. passed down from parent to offspring
2. depends upon just one cell for all of its functions
4. internal process
5. a living thing
7. group of cells that have similar structure and that function together as a unit
9. physical changes of an individual
12. interdependent or interrelated objects comprising and functioning as a whole
14. the smallest unit that can live on its own and makes all living organisms and body tissues