Definitions

3. The conservation of all levels of biological diversity outside of the species' natural habitat
4. A biological community of organisms and their environment
5. Non-native species that can cause harm to the environment
6. An area of land for the growth of crops
10. The act of capturing and killing an extreme amount of species
11. Plant/animal species located in a certain geographical area
13. The trapping of warmth from the sun in the lower atmosphere of the planet
16. Long-term changes in the temperatures and patterns of the weather
21. Able to be preserved or maintained over a period of time
22. An amount that diminishes or balances the opposite's effect
23. A natural environment that absorbs more of the atmosphere's carbon than it releases
24. An entity created by a treaty with the involvement of 2 or more nations that collaborate on issues of common interest
26. A substance that contaminates water or the atmosphere
27. An excessive richness of nutrients found in a body of water
28. A macromolecule composed of 1 or more long amino acid chains
29. Liquid fuels created from renewable biological sources [plants/algae]
31. A natural fuel created from the geological past of living organisms' remains
33. The conservation of species in their natural habitat
36. Organisms at risk of extinction
37. Species that are indigenous to a certain ecosystem
38. Characteristics of algae

1. The usage of carbon dioxide from the air/water from the ground/energy from sunlight for the production of food for plants
2. Species brought internationally to an area
7. The act of clearing trees from wide areas of land
8. Chemicals/natural substances added to increase the fertility of soil
9. The measurement of the quantity of nature needed to support people
12. Gases that absorb infrared radiation and traps the heat in the earth's atmosphere
14. A self-replicating material located in living organisms, It is also the carrier of the genetic information
15. Acidic rainfall created from atmospheric pollution that results in harm to the environment
17. The production and discharge of gases
18. To overuse and greatly benefit from a natural resource to an extreme amount
19. The long-term warming of the overall temperature of the planet
20. The presence of harmful and poisonous substances to the environment
25. Molecules composed of carbon atoms covalently bonded to hydrogen atoms
27. The surroundings where a person/animal or plant lives
30. A relation to the natural world and the results of human activity
32. Produce or provide [an agricultural product]
34. A non-profit organization that functions independently of the government
35. A source of supply or available means