F1 Revision

2. An odd result, or piece of data, that does not fit the pattern of results.
4. The most common type of arthropod; they have six legs.
6. Measurements taken from an investigation or experiment.
8. Suited to do a specific job.
12. A plant-eating animal.
13. A possible source of danger.
17. A quantity that can change in an investigation e.g. time, length, mass.
18. Organisms found in water that carry out photosynthesis, but lack stems, roots, and leaves.
20. The ability to detect changes in the environment.

1. A green structure found inside plant cells where photosynthesis occurs.
3. The differences between individuals.
5. An organism that obtains food by eating other organisms.
7. An organism that can make its own food like a plant.
9. The number of individuals in a group of living things.
10. Level An organism's position in a food chain.
11. The difference between the highest and lowest values in a sample.
14. Organisms that break down dead plants, dead animals, and their waste products.
15. An instrument used to measure temperature.
16. A collection of tissues that work together, e.g. the heart.
19. The mass of a substance in a certain volume.