Population Growth. Exponential growth (r selected) Logistic growth (k selected) Fluctuating growth Zero population growth (ZPG) no net increase or decrease. Click for Helpful Animation. http://wps.pearsoncustom.com/wps/media/objects/3014/3087289/Web_Tutorials/23_A01.swf.
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SaloniSaxena, Dabin Kim, Jenny Park
Evaporation: when the sun heats up water in rivers or lakes or the ocean and turns it into vapor or steam. The water vapor or steam leaves the river, lake or ocean and goes into the air
Condensation: Water vapor in the air gets cold and changes back into liquid, forming clouds. This is called condensation
Precipitation: occurs when so much water has condensed that the air cannot hold it anymore. The clouds get heavy and water falls back to the earth in the form of rain, hail, sleet or snow.
Collection: When water falls back to earth as precipitation, it may fall back in the oceans, lakes or rivers or it may end up on land. When it ends up on land, it will either soak into the earth and become part of the “ground water” that plants and animals use to drink or it may run over the soil and collect in the oceans, lakes or rivers where the cycle starts.
Carbon (C) enters the biosphere during photosynthesis: CO2 + H2O ---> C6H12O6 + O2 + H2O Carbon is returned to the biosphere in cellular respiration: O2 +H2O + C6H12O6 ---> CO2 +H2O + energy
Kristen Vogt, Jen Stern, Joon Seo, Jenna o.
By: Charlie Lee, Jacob Lee, and Edward Yoon
By: Reed Murphy, Ken Klopf, Matt Guido
Period 1-2 AP Biology