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Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed . . . only transformed. http://mff.dsisd.net/Environment/Cycles.htm 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/august2004/pages/dinobreath.html ENERGY & MATTER

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Page 1: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

Energy is not the only thingthat moves through the

ecosystem.

Atoms are never destroyed . . . only transformed.

http://mff.dsisd.net/Environment/Cycles.htm

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/august2004/pages/dinobreath.html

ENERGY & MATTER

Page 2: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

4 ATOMS make up 95% of the body in most organisms

CARBON

HYDROGEN

OXYGEN

NITROGEN

The same molecules are passed around again and again within the biosphere in___________________________BIOGEOCHEMICAL CYCLES

Page 3: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WATER CYCLE= ___________________HYDROLOGIC CYCLE

http://www.urbanrivers.org/water_cycle.html

Page 4: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WHY IS WATER IMPORTANT?Makes up 60-70% of your body

Oxygen and Hydrogen are found in all the ________________________: carbohydrates, proteins,

nucleic acids, lipids

Hydrogen in H2O supplies protons (H+) & electrons for_______________

http://www.lsbu.ac.uk/water/molecule.htm

building blocks of cells

photosynthesis

Page 5: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WHY IS WATER IMPORTANT?Water is a good _________________Many molecules dissolve in water so itprovides a place for chemical reactionsto happen

Water doesn’t change temperature easily so it helps with__________________

http://www.lsbu.ac.uk/water/molecule.htm

SOLVENT

HOMEOSTASIS

Page 6: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WATER CYCLE

evaporation

condensation

http://www.radio-canada.ca/jeunesse/fd6/000_images/cat/c_buee_c.gif

Page 7: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

The return of water tothe surface in the form ofrain, snow, sleet, hail, etc.= ____________________

The evaporation of water from the surface of plant leaves = ________________

http://www.css.cornell.edu/faculty/hmv1/watrshed/Etrans.htm

TRANSPIRATION

PRECIPITATION

Page 8: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

PH ONLINE LINK Put in code: cbp-2033 Choose Start

Image edited from: http://www.cotf.edu/ete/modules/msese/earthsysflr/water.html

WATER CYCLE

http://www.phschool.com/science
Page 9: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

CARBON CYCLECO2 inatmosphere

CO2 inocean

BIOLOGY; Miller and Levine; Prentice Hall; 2006

Page 10: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

4 main CARBON reservoirs in BIOSPHERE

CO2 inatmosphere

CO2 inOcean

BIOLOGY; Miller and Levine; Prentice Hall; 2006

1.In ____________ as CO2 gas 2.In _______ as dissolved CO2 gas3.On _______ in organisms, rocks, soil4.__________ as coal & petroleum (fossil fuels) and

calcium carbonate in rocks

atmosphereocean

landUnderground

Page 11: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

Where does CO2 in atmosphere come from? CO2 in

atmosphere

CO2 inOcean

BIOLOGY; Miller and Levine; Prentice Hall; 2006

1.________________ 2.______________ 3._________________4.____________ of dead organisms

Volcanic activityHuman activity (burning fossil fuels)

Cellular respirationDecomposition

Page 12: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WHY IS CARBON IMPORTANT?

Found in all the _______________ of cells: carbohydrates, proteins,

nucleic acids, lipids

Image by Riedell

http://web.jjay.cuny.edu/~acarpi/NSC/12-dna.htm

BUILDING BLOCKS

Page 13: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WHY IS CARBON IMPORTANT?

Carbon in CO2 provides the atoms for __________ production during __________________... the fuel that all living things depend on.

http://www.science.siu.edu/plant-biology/PLB117/JPEGs%20CD/0076.JPG http://www.biologyclass.net/mitochondria.jpg

GLUCOSE

PHOTOSYNTHESIS

Page 14: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

N2 in Atmosphere

NH3

NO3-

and NO2-

Section 3-3

NITROGEN CYCLE

BIOLOGY; Miller and Levine; Prentice Hall; 2006

Page 15: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

WHY IS NITROGEN IMPORTANT?

Image by Riedell

__________________make DNA and RNA

Adenine (nitrogen base) is used in _______

Makes AMINO part of _________ (proteins)

Image by Riedell

http://web.jjay.cuny.edu/~acarpi/NSC/12-dna.htm

NITROGEN BASES

ATP

amino acids

Page 16: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

79% of the atmosphere is made up of NITROGEN gas

(N2)

Image by Riedell Image by Riedell

http://web.jjay.cuny.edu/~acarpi/NSC/12-dna.htm

BUT we _____ use the nitrogen gas we breathe!

The bond in N2 gas is sostrong it can only be broken by__________________________________________________

CAN’T

lightning

Volcanic activity

few special bacteria

Page 17: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

http://www.slic2.wsu.edu:82/hurlbert/micro101/images/101nodules21.gif

Bacteria that live ______________and in _________ relationships withplants called _________, take nitrogen from the atmosphere and turn it into ______________, a form that is usable by plants.

THIS PROCESSIS CALLED_________________

in the soil

symbiotic

legumes

AMMONIA (NH3)

NITROGEN FIXATION

Page 18: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

Image from: http://www.utdallas.edu/images/departments/biology/misc/gonzalez-image.jpg and http://www.cibike.org/CartoonEating.gif modified by Riedell

Other bacteria in the soil convertammonia into ________________& _________________which plants can also use. The nitrogen we need for proteins, ATP, and nucleic acids comes from

the ___________ ___________ we breathe!

NITRATES (NO3- )

FOOD WE EAT

NOT THE AIR

& NITRITES (NO2-)

Page 19: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

N2 in Atmosphere

NH3

NO3-

and NO2-

Section 3-3

NITROGEN CYCLE

BIOLOGY; Miller and Levine; Prentice Hall; 2006

Page 20: Energy is not the only thing that moves through the ecosystem. Atoms are never destroyed... only transformed

Bacteria that live ______________also carry out the reverse process

___________ → _____________.

THIS PROCESSIS CALLED_________________

in the soil

NITRATES & NITRITES

NITROGEN GAS

DENITRIFICATION


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