Across
- 5. shows the transfer of energy in a community
- 8. primary producers
- 12. essential processes to human life
- 13. is eaten
- 14. factors that limit population
- 15. environmental factor that shows population growth
Down
- 1. number of species
- 2. uses another species as a food source
- 3. the feeding position in a food chain
- 4. consist of food chains
- 6. threats to biodiversity
- 7. an organism that only eats meat
- 9. things from nature
- 10. consumers
- 11. an increasing impact as the population grows