Across
- 2. involving the fusion of gametes
- 4. an oval or round object laid by a female bird
- 7. having or consisting of many cells
- 11. is composed of two or more separate elements
- 12. the production of offspring
- 14. the smallest structural and functional unit of an organism
- 15. can reproduce without a partner
Down
- 1. the action of taking apart a body or plant to study its internal parts
- 3. the study of living organisms
- 5. an organ that pumps the blood through the circulatory system
- 6. able to be maintained at a certain rate or level
- 8. a substance that cannot be broken down into smaller parts
- 9. an optical instrument used for viewing very small objects
- 10. consisting of a single cell
- 13. a part of an organism which is typically self-contained and has a specific vital function