S1 Science Final Review

2. A plant’s growth or movement in response to a stimulus.
4. A plant’s response to touch (e.g., a Venus flytrap closing).
7. A feature or behavior that helps an organism survive in its environment.
9. Plant structures that take in air and absorb sunlight for photosynthesis.
10. The biological process by which organisms produce offspring.
12. An organism made of a single cell (e.g., bacteria).
15. Plant structures that absorb water from the soil and grow towards gravity.
18. Animal cells that transmit signals to and from the brain.
19. Groups of similar cells working together to perform a function.
20. A plant’s response to gravity (e.g., roots growing downward).

1. A plant’s response to light (e.g., growing towards sunlight).
3. Animal cells that protect the body.
5. An organism made of many cells (e.g., humans, plants).
6. Plant structures involved in reproduction.
8. Animal cells responsible for transporting oxygen and nutrients in the body.
11. The smallest unit of life, forming the basis of all living organisms.
13. The part of a plant that supports its structure and transports nutrients.
14. The process by which plants make food using sunlight, carbon dioxide, and water.
16. A part of an organism made of tissues with a specific function (e.g., heart, leaves).
17. The process by which cells break down food to release energy.