t2 6 ecology2-day 6-material cycles

8/20/2019 T2 6 ECOLOGY2-DAY 6-Material Cycles

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NUTRIENT CYCLES:Water, Carbon-Oxygen, Nitrogen

DO NOW:

Describe wat a cyc!e is an" gi#e an exa$%!e o&one in o'r !i#es(


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O)*ECTI+ES

CONTENT:( N.E an" DESCRI)E tree $a/or n'trientcyc!es(

0( WRITE te e1'ations &or bot 2otosyntesisan" Ce!! Res%iration(

LN3U3E:

( RED an" WRITE to co$%!ete a wor4seetabo't te n'trient cyc!es(


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Material CyclesMaterial Cycles .ateria!s $'st be constant!y cyc!e" between

organis$s an" te abiotic en#iron$ent( Tese sa$e $ateria!s can be re'se" o#er an"

o#er again(

5 .TERIL CYCLES

( Water cyc!e

0( Carbon6Oxygen Cyc!e5( Nitrogen Cyc!e


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1. Water Cycle1. Water Cycle7 In#o!#es te %rocesses o&:

7 2otosyntesis-%!ants ta4e in bot !i1'i" water 8 #a%or 7 Trans%iration-%!ants gi#e o&& water #a%or

7 E#a%oration-!i1'i" water t'rns to #a%or 9gas wen war$e"

7 Con"ensation-war$ water #a%or coo!s 8 t'rns to "ro%!ets

7 Res%iration-water &or$s wen energy is being re!ease"&ro$ &oo" "'ring res%iration

7 Excretion-water #a%or is excrete" "'ring exa!ation

7 2reci%itation-con"ense" water &a!!s to eart 9rain, snow,s!eet


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2. Carbon-Oxygen Cycle

7 involves the processes of PHOTOS!TH"S#S an$%"SP#%&T#O!

7 Photosynthesis in plants- 7 carbon $ioxi$e ' (ater ) s*gar ' oxygen

7 %espiration in all organis+s-

7 Oxygen ' s*gar ) &TP ' carbon $ioxi$e ' (ater

7 "ach process co+pli+ents the other , balance$

ecosyste+


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CH&"!" O/%S"0CH&"!" O/%S"0

Write te ce$ica! an" wor"e1'ations &or %otosyntesis an"

res%iration(


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. !itrogen Cycle. !itrogen Cycle

Nitrogen is nee"e" &or te %ro"'ction o&%roteins in organis$s

7 !itrogen-0ixing 3acteria that live on eg*+es4plants56 convert !2 to !itrates

7 !itrates 4*se$ by plants57 3*il$ plant proteins

7 "aten by ani+als

7 +a$e into ani+al proteins

7 Plants an$ ani+als $ie7 bacteria $ecay- brea7 nitrogen +olec*les $o(n

7 !itrates 4*se$ by plants again5


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%egents 8*estion%egents 8*estion Wy wo'!" a &ar$er see !ess an" !ess o& a

ar#est eac s'bse1'ent year, i& e 'se" tesa$e &ie!" an" too4 away te re$ains o& te

%!ants;


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t2 6 ecology2-day 6-material cycles

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