Organisms and their Environment
Across
- 4. organisms that cannot make their own food and eat plant and animal matter
- 11. the total amount of water on a planet
- 13. a key term in the study of organisms in their habitats
- 17. heat and pressure turns organic material into this after millions of years
- 19. layers of gases surrounding a planet
- 21. each feeding level of a food chain
- 24. organisms that consume other organisms to obtain energy
- 25. shows 'who eats what' in a habitat
- 26. organisms that feed on decaying, non-living organic matter using external digestion
- 27. organisms that get their energy from eating both plant and animal matter
- 28. organisms that digest or decay dead plant or animal material
- 30. a living component of an ecosystem
Down
- 1. organisms that eat meat
- 2. the only planet known to have life on it
- 3. the permanent destruction of large areas of forests and woodlands
- 5. the external surroundings including all of the biotic and abiotic factors that surrounds and affects the survival and development of an organism or population
- 6. the mass of living material
- 7. all different species of organisms that form the food web
- 8. the study of animals in their habitats
- 9. a group of organisms of the same species that live in the same environment at the same time
- 10. graphical representation showing biomass or bio productivity at each trophic in an ecosystem
- 12. food chains linked together
- 14. burning fossil fuels into the air as carbon dioxide
- 15. organisms that can make their own food
- 16. the non-living part of an ecosystem that shapes its environment
- 18. organisms that consume plant matter
- 20. a community of organisms and their environment in an area that interacts together
- 22. a group of organisms that share many features and can produce fertile offspring
- 23. an individual animal, plant, or. single-celled life form
- 29. organisms that have the ability to make their own food