Across
- 2. The chemical energy remaining after producers lose energy through respiration - NET ... PRODUCTION
- 3. The place where an organism normally lives.
- 6. A community of organisms interacting with their physical environment.
- 9. Numerical measure used to compare biodiversity between communities - ... Diversity Index
- 10. Gradual change in community structure over time following disturbance - ecological ...
- 11. An area with similar climate, geology, soils and biodiversity.
- 12. The maximum population size an environment can sustainably support - ... CAPACITY
- 14. A group of organisms capable of producing fertile offspring.
- 17. A measure of how evenly individuals are distributed among species - Species ...
- 19. A small specialised area within a larger habitat.
- 20. A large geographic region characterised by climate and dominant organisms.
- 21. The first organisms to colonise a newly disturbed area.
- 24. The feeding position of an organism in a food chain - ... Level
- 25. J-shaped population growth under ideal conditions with unlimited resources
- 28. A sampling line used to study changes across an environmental gradient.
- 29. The variety of life at genetic, species and ecosystem levels.
- 30. Sampling different habitat zones separately to improve representation.
Down
- 1. Hierarchical classification system based on physical characteristics.
- 4. The total mass of living organic matter in an area.
- 5. A species with a disproportionately large impact on its ecosystem.
- 7. The full range of conditions a species could occupy without competition - ... Niche
- 8. Mark-recapture method used to estimate population size - ... Index
- 13. The portion of a niche actually occupied in nature - ... Niche
- 15. The number of different species present in a community - Species ...
- 16. S-shaped population growth limited by environmental resources
- 18. Sharing resources in different ways to reduce competition
- 22. The role and position of a species within an ecosystem.
- 23. ... Exclusion: Principle stating that two species cannot occupy the same niche indefinitely.
- 26. A square sampling frame used to estimate abundance or percentage cover.
- 27. Classification based on comparisons of DNA, RNA or protein sequences - Molecular ....