Chapter 19: Cycles in Nature Student # _____

Name ___________________

Date _________ Period _____

Chapter 19: Pages 458 – 467
1) Define precipitation. (458) 1) Precipitation is defined as water that moves from the atmosphere to the land and ocean, including rain, snow, sleet, and hail.
2) Define evaporation. (459) 2) Evaporation is defined as the change of state from liquid to vapor.
3) Define ground water. (459) 3) Ground water is defined as water stored in underground caverns or porous rock.
4) Define decomposition. (460) 4) Decomposition is defined as the breakdown of dead materials into carbon dioxide and water.
5) Define combustion. (460) 5) Combustion is defined as the process of burning; this includes burning of fossil fuels.
6) Draw and label the water cycle. (458) THE WATER CYCLE:

 

7) Draw and label the carbon cycle. (459) THE CARBON CYCLE:

 

8) Draw and label the nitrogen cycle. (460) THE NITROGEN CYCLE:

 

9) Define succession. (462) 9) Succession is defined as the gradual development or regrowth of a community of organisms over time.
10) Define pioneer species. (463) 10) Pioneer species are defined as the first organisms to grow in an area undergoing ecological succession; these usually include lichen in primary succession and fast-growing, weedy plants in secondary succession.
11) Draw and label the five steps of primary succession. (463) PRIMARY SUCCESSION:

 

12) Draw and label the four steps of secondary succession. (464) SECONDARY SUCCESSION: