Across
- 2. collection of tissues
- 4. living factors of an environment
- 5. community of plants and animals in a certain climate
- 7. a molecule containing a very large number of atoms
- 8. collection of all ecosystems
- 11. new offspring is made by two parents contributing genes
- 12. non-living factors of an environment
- 16. smallest unit of structure in a living organism
- 18. the passing on of traits from parents to their offspring
- 19. new offspring is made by a single parent
- 20. state of steady internal, physical, chemical, and social conditions maintained by living things
- 21. group of similar cells
- 22. smallest and most fundamental unit of matter
- 24. how organisms adjust to new environments or to changes in their current environment
- 25. small structure existing within a cell
- 26. all the living things in an area together with the nonliving things
Down
- 1. individual living entities
- 3. sum of populations living in an area
- 6. study of interactions among organisms and between organisms and their environment
- 9. made up of one cell
- 10. chemical structure consisting of at least two atoms held together by chemical bonds
- 13. made up of many cells
- 14. all the individuals of a species living within a specific area
- 15. biological system consisting of a group of organs that work together
- 17. organisms that can't make their own food
- 19. organisms that can make it's own food
- 23. the chemical reactions in the body's cells that change food into energy