http www animationlibrary comsearch keywordsrecycle Carbon Nitrogen and

http: //www. animationlibrary. com/search/? keywords=recycle Carbon, Nitrogen and Water Cycles

http: //mff. dsisd. net/Environment/Cycles. htm ENERGY & MATTER Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed. . . only transformed. Take a deep breath. The atoms you just inhaled may have been inhaled by a dinosaur millions of years ago. http: //educ. queensu. ca/~fmc/august 2004/pages/dinobreath. html

4 ATOMS make up 95% of the body in most organisms CARBON OXYGEN HYDROGEN NITROGEN The same molecules are passed around again and again within the biosphere in BIOGEOCHEMICAL CYCLES ______________

WATER CYCLE HYDROLOGIC CYCLE = __________ http: //www. urbanrivers. org/water_cycle. html

WHY IS WATER IMPORTANT? Makes up 60 -70% of your body Oxygen and Hydrogen are found in all the building blocks of cells ____________: carbohydrates, proteins, nucleic acids, lipids Hydrogen in H 2 O supplies protons (H+) & electrons for________ photosynthesis http: //www. lsbu. ac. uk/water/molecule. htm

WHY IS WATER IMPORTANT? SOLVENT Water is a good _________ Many molecules dissolve in water so it provides a place for chemical reactions to happen Water doesn’t change temperature easily so it helps with _________ HOMEOSTASIS http: //www. lsbu. ac. uk/water/molecule. htm

WATER CYCLE evaporation condensation http: //www. radio-canada. ca/jeunesse/fd 6/000_images/cat/c_buee_c. gif

http: //www. css. cornell. edu/faculty/hmv 1/watrshed/Etrans. htm The evaporation of water from the surface of plant leaves TRANSPIRATION = ________ The return of water to the surface in the form of rain, snow, sleet, hail, etc. = __________ PRECIPITATION

Image edited from: http: //www. cotf. edu/ete/modules/msese/earthsysflr/water. html WATER CYCLE PH ONLINE LINK Put in code: cbp-2033 Choose Start

CARBON CYCLE CO 2 in atmosphere CO 2 in ocean BIOLOGY; Miller and Levine; Prentice Hall; 2006

4 main CARBON reservoirs in BIOSPHERE 1. In ______ atmosphere as CO 2 gas ocean 2. In _______ as dissolved CO 2 gas 3. On _______ in organisms, rocks, soil land Underground as coal & petroleum (fossil 4. _____ fuels) and calcium carbonate in rocks CO 2 in atmosphere CO 2 in Ocean BIOLOGY; Miller and Levine; Prentice Hall; 2006

Where does CO 2 in atmosphere come from? CO 2 in atmosphere CO 2 in Ocean Volcanic activity 1. ________ Human activity (burning fossil fuels) 2. _______ 3. _________ Cellular respiration Decomposition of dead organisms 4. ______ BIOLOGY; Miller and Levine; Prentice Hall; 2006

WHY IS CARBON IMPORTANT? BUILDING BLOCKS of cells: Found in all the ________ carbohydrates, proteins, nucleic acids, lipids Image by Riedell http: //web. jjay. cuny. edu/~acarpi/NSC/12 -dna. htm

WHY IS CARBON IMPORTANT? Carbon in CO 2 provides the atoms for GLUCOSE production during _____ PHOTOSYNTHESIS _________. . . the fuel that all living things depend on. http: //www. science. siu. edu/plant-biology/PLB 117/JPEGs%20 CD/0076. JPG http: //www. biologyclass. net/mitochondria. jpg

NITROGEN CYCLE Section 3 -3 N 2 in Atmosphere NH 3 NO 3 and NO 2 - BIOLOGY; Miller and Levine; Prentice Hall; 2006

WHY IS NITROGEN IMPORTANT? NITROGEN BASES _________make DNA and RNA ATP Adenine (nitrogen base) is used in _______ acids (proteins) Makes AMINO part of amino _____ Image by Riedell http: //web. jjay. cuny. edu/~acarpi/NSC/12 -dna. htm Image by Riedell

79% of the atmosphere is made up of NITROGEN gas (N 2) CAN’T use the nitrogen gas BUT we _____ we breathe! The bond in N 2 gas is so strong it can only be broken by lightning ________ Volcanic activity ________ few special bacteria __________ Image by Riedell http: //web. jjay. cuny. edu/~acarpi/NSC/12 -dna. htm Image by Riedell

in the soil Bacteria that live _______ symbiotic and in _____ relationships with legumes plants called _____, take nitrogen from the atmosphere and AMMONIA (NH 3) a form turn it into _______, that is usable by plants. THIS PROCESS IS CALLED _________ NITROGEN FIXATION http: //www. slic 2. wsu. edu: 82/hurlbert/micro 101/images/101 nodules 21. gif

Other bacteria in the soil convert NITRATES (NO 3 - ) ammonia into ________ & NITRITES (NO 2 -) & _________ which plants can also use. The nitrogen we need for proteins, ATP, and nucleic acids comes from the FOOD ______ WE EAT NOT THE AIR ______ we breathe! Image from: http: //www. utdallas. edu/images/departments/biology/misc/gonzalez-image. jpg and http: //www. cibike. org/Cartoon. Eating. gif modified by Riedell

NITROGEN CYCLE Section 3 -3 N 2 in Atmosphere NH 3 NO 3 and NO 2 - BIOLOGY; Miller and Levine; Prentice Hall; 2006

in the soil Bacteria that live _______ also carry out the reverse process NITRATES NITROGEN GAS & NITRITES ______ → _______. THIS PROCESS IS CALLED DENITRIFICATION _________