Envir-Science

1. Resources. oil, natural gas, coal, and nuclear energy.
4. Scientific study of interactions among organisms and between organisms and their environment.
5. solution, surrounded by a membrane
8. how close the repeated measurements of a sample are to one another
11. resources-biomass energy (such as ethanol), hydropower, geothermal power, wind energy, and solar energy
12. the ability to do work or transfer heat
13. the amount of energy used when a 1-watt electrical device is turned on for 1 second
14. number- the number of protons in the nucleus of a particular element
16. the diversity of life forms in an environment
18. derived from human activities
22. system -a system in which matter and energy exchanges do not occur across boundaries
23. biological community of interacting organisms and their physical environment.
24. -a highly organized living entity that consists of the four types of macromolecules and other substances in a
25. capital-the world's stocks of natural assets which include geology, soil, air, water and all living things

2. cycling-a system where energy and matter are transferred between living organisms and non-living parts of the environment.
3. services-the provision of resources essential for life, including food, clean water, shelter, and medicines as well as stabilizing environmental processes such as purification of air and water, flood control, and nutrient cycling
4. a particular location on Earth with interacting biotic and abiotic components
6. close a measured value is to the actual or true value
7. diversity- a measure of the genetic variation among individuals in a population
9. nonliving
10. energy -the energy of motion
15. -living
17. energy- potential energy stored in chemical bonds
19. reaction -a reaction that occurs when atoms separate from molecules or recombine with other
20. resources-materials from the Earth that are used to support life and meet people's needs
21. contaminating material that pollutes.