Across
- 4. a large wave(s) of water that occur in the ocean as an effect of earth tremors
- 5. a period 3 classic
- 7. things in an ecosystem that are non-living, and never have lived
- 8. plate boundaries that pull apart from each other by volcanic currents
- 9. a relationship between two organisms in which one benefits and the other isn't affected
- 11. the part of an atom with a positive charge.
Down
- 1. a organ in a plant's cell that helps to turn sunlight into glucose, known as photosynthesis
- 2. the discharge which passes between a positive and negatively charged object in order to create electric equilibrium
- 3. how earthquakes are measured
- 6. where the seeds in a flower are stored (usually the plant's fruit)
- 10. a habitat from which abiotic and biotic factors live together