Across
- 2. Mountains, oceans and deserts are what type of isolating mechanisms
- 3. The formation of a new species
- 5. When resources are in short supply, this occurs
- 7. Makes its own food
- 10. The variety of living things
- 12. Used to measure low growing plants
- 13. Type of energy used in photosynthesis
- 14. A true pyramid shape
- 15. Cattle over-grazing on grass land
- 17. What type of factor is disease
- 19. All the populations living together
Down
- 1. Second stage of photosynthesis
- 4. What is glucose used for in photosynthesis
- 6. The community living in the habitat along with all non-living factors
- 8. Saving and protecting the worlds endangered animals
- 9. Percentage of energy passed on in a food chain
- 11. A light meter is used to measure
- 16. Competition between different species
- 18. Eats plants and meat