biology

1. A group of similar organisms that can reproduce with one another.
4. The natural environment where an organism lives.
8. Living organisms that can move, eat, and reproduce.
9. The process of producing offspring.
11. The gradual change and development of living organisms over time.
13. Tiny living organisms that can only be seen under a microscope, like bacteria and fungi.
14. Living organisms that can make their own food through photosynthesis.

2. A community of living organisms and their environment.
3. The study of the structure of living things.
5. The process of adjusting to the environment for survival.
6. Chain The transfer of energy from one organism to another through eating and being eaten.
7. The variety of different living things in an ecosystem.
10. The basic building block of all living things.
12. The study of genes and heredity, how traits are passed down from parents to offspring.
15. Cycle The stages of growth and development of an organism.