environmental science vocabulary

2. a group of individuals that actually or potentially interbreed in nature
4. the proportion of the incident light or radiation that is reflected by a surface
6. the time during which humans have had a substantial impact on our planet
7. a global ecosystem composed of biotic and abiotic factors
13. a social goal for people to co-exist on Earth over a long period of time
14. the variety of life on Earth, from genes and bacteria to ecosystems
15. when the environment becomes enriched with nutrients, increasing the amount of plant and algae growth

1. the purposeful clearing of forested land
3. an organism that creates its own food or energy
5. the process that converts ammonia to nitrite and then to nitrate
8. an accumulation of partially decayed vegetation or organic matter
9. the production and discharge of something, especially gas or radiation
10. an organism of microscopic size
11. a response within a system that influences the continued activity or productivity of that system
12. an environment where an organism lives throughout the year or for shorter periods of time to find a mate