Across
- 5. The process of breaking down food to release energy.
- 6. The natural environment where an organism lives.
- 7. A trait that helps an organism survive in its environment.
- 9. The study of heredity and how traits are passed from parents to offspring.
- 11. The jelly-like substance within a cell where organelles are suspended.
- 13. The process by which plants make their own food using sunlight, water, and carbon dioxide.
- 15. The biological process by which new organisms are produced.
- 17. An animal that hunts and eats other animals.
- 18. A group of tissues working together to perform a specific function.
- 19. The basic unit of structure and function in living organisms.
- 20. A community of living organisms and their nonliving environment.
Down
- 1. A group of organisms that can breed and produce fertile offspring.
- 2. A molecule that carries the genetic instructions for life.
- 3. Any living thing, from bacteria to humans.
- 4. Organelles that produce energy for the cell; known as the "powerhouse".
- 8. A group of similar cells that perform a specific function.
- 10. Organelles in plant cells that carry out photosynthesis.
- 12. membrane A structure that surrounds the cell and controls what enters and exits.
- 14. The part of a cell that contains DNA and controls the cell's activities.
- 16. An animal that is hunted and eaten by a predator.
