science

2. a distinguishing quality or characteristic, typically one belonging to a person
3. the biological process by which living organisms produce offspring, ensuring the continuation of their species
6. the study of the relationships between living organisms and their environment, including both the physical surroundings and other living things
7. energy cycle a term often used to describe the interconnected processes of photosynthesis and cellular respiration
10. used at the end of a list to indicate that further, similar items are included
12. a complex network of interconnected food chains that illustrates how energy and nutrients flow through an ecosystem
13. a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring
14. Weds a complex network of interconnected food chains that illustrates how energy and nutrients flow through an ecosystem
15. one of two children or animals born at the same birth

1. the changing of the structure of a gene
4. the molecule that carries the genetic instructions for all living organisms and many viruses
5. of Life cellular organization, reproduction, growth and development, metabolism, homeostasis, response to the environment, and adaptation through evolution
8. an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
9. the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
11. the study of genes, heredity, and genetic variation in living organisms