Unit 1 Review Crossword Puzzle

1. The type of primary productivity that is the total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given period of time.
5. This biome may also be referred to as a woodland or chaparral.
7. This is the most biodiverse terrestrial biome.
8. This type of pyramid shows the organisms at each level. We use this pyramid to talk about the 10% rule and transfer of energy.
10. The release of water from leaves into the atmosphere during photosynthesis.
12. Bacteria that live on the nodules of beans are excellent at performing this part of the nitrogen cycle.
13. This term means low in oxygen.
18. This type of relationship between two different species benefits both species in a positive way.
19. This commonplace household product results in an excessive amount of phosphates in waterways.
22. Geographic regions of land that are categorized by their precipitation patterns and plant growth.
23. This type of decomposition occurs when oxygen is present.
24. This type of lake has very low levels of nutrients. It will have very little vegetation and clear water.
25. The name of the zone in the ocean where sunlight does not reach and photosynthesis cannot occur.

2. The phenomenon that occurs when two species evolve to better share a resource such as a habitat or food source.
3. Organisms that use the sun’s energy to produce usable forms of energy. Another name for these organisms is autotrophs.
4. Carbon dioxide is constantly moving between the ocean and the atmosphere in this movement of the carbon cycle.
6. This zone of a lake is shallow and has emergent plants, such as cattail.
9. The process performed by plants when solar energy is used to convert carbon dioxide and water into glucose and oxygen.
11. Water that moves across the land surface and into streams and rivers. It increases in areas with a lot of impermeable surfaces.
14. A non-native species may become this if it is introduced into an ecosystem where it has no natural predators.
15. This category of organism consumes dead animals.
16. This biome has permafrost.
17. This part of the nitrogen cycle is when plants take in nitrogen from the soil and incorporate it into their tissues.
20. This is the most productive aquatic biome. (i.e. lots of photosynthesis happening here)
21. The process by which dissolved molecules are transported through the soil via groundwater.