Across
- 3. the man who created theory of evolution
- 5. a circuit with only one loop
- 6. positive particles
- 7. a product of Photosynthesis
- 9. chain what animal eats what in an ecosystem
Down
- 1. how plants breathe
- 2. a circuit that shares all components in multiple
- 4. neutral particles
- 6. bear predator with white fur
- 8. negative particles