Biology

4. the membrane-bound structure in a cell that contains most of the cell's genetic material.
6. a chemical messenger produced by an organism that affects the behaviour and physiology of other organisms.
8. the study of the chemical processes that occur in living organisms.
9. a microscopic organism, such as a bacterium or virus.
10. the basic unit of life, consisting of an organised collection of molecules and organelles
12. the study of how organisms are classified into groups based on their shared characteristics.
14. the study of heredity, or the passing of genetic information from one generation to the next.

1. the sum of all chemical and biochemical reactions that occur within an organism.
2. the process by which plants use sunlight, carbon dioxide, and water to produce energy for their growth and development.
3. the process of creating new organisms, either asexually or sexually.
5. the change in the inherited characteristics of a population over time due to natural selection.
7. the ability of an organism to maintain a stable internal environment.
11. the study of the interactions between organisms and their environment.
13. the study of the structure and shape of living organisms and their parts.
15. an organelle in plant cells that contains chlorophyll and is responsible for photosynthesis.