Across
- 2. Organisms that ingest other organisms to obtain organic nutrients
- 4. chain linear sequence of who eats whom in an ecosystem
- 5. The study of interrelationships between living organisms
- 9. The food making process of plants
- 12. It has has a living (biotic) and nonliving (a biotic) component
- 13. An element that comprises 80-85 % in aquatic biome
- 14. They feed on decaying organic matter
- 15. They are classified as herbivores, carnivores and omnivores
- 16. A large biological community or an ecosystem
- 17. They constitute the second trophic level of energy flow in the ecosystem
- 18. a type of biome that is considered the most stable in ecosystem
- 20. allows the planet to hold onto its atmosphere and helps enable he movement and cycling of materials
- 22. A term used to describe the flow of energy in an ecosystem
Down
- 1. Obtain the highest energy coming from the sun
- 3. A type of terrestrial biome characterized by permafrost
- 4. Web networks of many interlocked food chains
- 6. Gradual changes in biotic community to form a stable community
- 7. It is where the life forms is found
- 8. The thin layer that envelopes the earth surface
- 9. a type of cell that has no distinct nucleus
- 10. The ultimate source of energy
- 11. meaning "house" r a "place to live"
- 18. Examples are air, soil, minerals, temperature, moisture
- 19. A total dry mass of all living organisms at a given trophic level
- 21. The smallest and most fundamental structure and functional units of life