ECOSYSTEMS

3. Percent, How much energy is passed from one trophic level to the next
4. The organism is made up of cells
7. Tiny plastic particles that result from the breakdown of larger plastic waste
8. Liquid water turning into gas (water vapor) due to heat.
12. Organisms that break down dead matter, returning nutrients to the soil.
13. Water that flows over the ground surface rather than soaking into the soil; often carries pollutants.
14. Any living or once-living component of an ecosystem
15. All the different populations (different species) that live together in an area.
19. An organism that must eat other organisms for energy.
20. A community of organisms plus their abiotic environment
21. The ability to maintain a stable internal environment (like shivering when cold).
22. The ability to increase in size over a lifetime

1. Water falling to Earth as rain, snow, sleet, or hail.
2. Water vapor cooling down to form clouds.
5. An organism that makes its own food through photosynthesis.
6. An area of land where all the water that falls in it drains off into a common outlet
9. The non-living physical and chemical parts of an environment
10. A group of individuals of the same species living in the same area.
11. A single living individual; the simplest level of organization.
14. The global sum of all ecosystems; the part of Earth where life exists.
16. Level, The position an organism occupies in a food chain or web.
17. The cycle that moves an important molecule, but also microplastics around the Earth
18. The process by which organisms produce offspring (sexual or asexual).