Biology

1. the study of the interactions between organisms and their environment.
6. the sum of all chemical and biochemical reactions that occur within an organism.
10. the process of creating new organisms, either asexually or sexually.
11. the study of the structure and shape of living organisms and their parts.
13. a chemical messenger produced by an organism that affects the behaviour and physiology of other organisms.
14. the process by which plants use sunlight, carbon dioxide, and water to produce energy for their growth and development.
15. the membrane-bound structure in a cell that contains most of the cell's genetic material.

2. the basic unit of life, consisting of an organised collection of molecules and organelles
3. the study of heredity, or the passing of genetic information from one generation to the next.
4. the ability of an organism to maintain a stable internal environment.
5. the study of how organisms are classified into groups based on their shared characteristics.
7. a microscopic organism, such as a bacterium or virus.
8. deoxyribonucleic acid, the genetic material that carries the instructions for an organism's development and function.
9. the study of the chemical processes that occur in living organisms.
12. the change in the inherited characteristics of a population over time due to natural selection.