Ecology Vocabulary You will need to define and understand the following terms in order to complete your Biomes project successfully. Please give Term, definition, and drawing/example for each term. 1. Abiotic Factors 2. Biotic Factors 3. 4. 5. 6. 7. 8. 9. Trophic Structures Herbivores Carnivores Energy Pyramid 10% Rule Biomass Productivity 10. 11. 12. 13. 14. Predation Competitive Exclusion Principle Mutualism Parasitism Commensalism 15. 16. 17. 18. Limiting Factors Population Density Carrying Capacity Keystone Species