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• Ecology

• Population

• The study of howorganisms interactwith one anotherand with theenvironment.

• A group of

individuals of thesame species thatlive in the sameplace.

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• Species

• Community

• Includesorganisms thatare closelyrelated and canmate toproduce fertile

ospring.

• Made up of allthe species thatlive and interactin an area.

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• Biotic Factor

• Abiotic Factor

• A living partof the

environment.

• A nonlivingpart of anenvironment.

7/23/2019 PowerPoint Energy Flow in an Ecosystem

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ENERGY !"# IN $N EC"SYS%EM

!$# " C"NSER&$%I"N "ENERGY

The ow of energy inan ecosystem mustfollow this law.Energy in anecosystem is…

•aptured•Eaten•!sed•

Passed Along

EC"SYS%EM

A community oforganisms and theirnonliving

environment.A place whereorganisms live is a"abitat. #t could

be…•Pond•Bac$yard• %our &tomach•'''

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'ut the follo(ing in order.

7/23/2019 PowerPoint Energy Flow in an Ecosystem

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#$RM)*'+ RE&ISI%E,

"a- %ree SuirrelRattlesna-e /a(-

0Notice ho( the arro(s sho( the 1o( of

energy 2et(een organisms3 N"% (ho eats(ho.

4*% #$I%5

 %/E !$# " C"NSER&$%I"N " ENERGY S$YS %/$%ENERGY C$NN"% 4E CRE$%E, "*% " N"%/ING3 S"#/ERE ,"ES $!! " %/IS ENERGY IN $N EC"SYS%EMC"ME R"M6

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#here does all of thatenergy in the ecosystem

come from6$. 'lants

4. %he Sun

C. ood

,. 4atteries

4. %he Sun

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'ut the follo(ing in order.

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#$RM)*'+ $ RE&ISI%E, RE&ISI%$%I"N

Sun "a- %ree SuirrelRattlesna-e /a(-4*% #$I%5

 %/E !$# " C"NSER&$%I"N " ENERGY S$YS %/$% ENERGY C$NN"% 4E ,ES%R"YE,3 S"#/ERE ,"ES $!! " %/IS ENERGY IN $N

EC"SYS%EM G"6

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#/ERE ,"ES %/E ENERGY G"6

/E$% ENERGY

(eeps thes)uirrelwarm.

C/EMIC$!ENERGY

&toresfood for

later

*li$e fat+

MEC/$NIC$!

ENERGY

,ets thes)uirrelmove.

E!EC%RIC$!

ENERGY

-ervesand Brain

&ignals

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#/ERE ,"ES %/E ENERGY G"6C/EMIC$!

ENERGYThe s)uirrelsenergy *stored inits body+ becomes

used by the sna$e.

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"", #E4S7 !IN8ING %/E "", C/$INS

Sun "a- %ree Suirrel

Rattlesna-e /a(-4*% #$I%5

C"*!,N9% %/IS $!S" 4E %R*E6

Sun "a- %ree Suirrel

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"", #E4S7 !IN8ING %/E "", C/$INS

Sun

"a- %ree

Suirrel

Rattlesna-e

/a(-

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"", #E4 R"!ES

 :::::::::::::::: ) ;P< = >$n organism that captures energyand turns it into food ;chemical energy<.?

 :::::::::::::::: ) ;/< = >$n organism that cannot ma-eits o(n food+ so it has to eat the chemical energy ofothers.?

 ::::::::::::::::: ::::::::::::::: ) ;0< = >$consumer one energy arro( a(ay from a producer.?

 ::::::::::::::::: ::::::::::::::: ) ;1< = >$consumer t(o energy arro(s a(ay from a producer.?

 ::::::::::::::::: ::::::::::::::: ) ;2< = >$consumer three energy arro(s a(ay from a producer.?

 :::::::::::::::: ) ;3< = >$n organism that 2rea-s do(ndead organisms and (aste products to get energy.?

P453!E4

5-&!6E4

5-&!6E4

5-&!6E4

5-&!6E4

P4#6A4% 

&E5-3A4% 

TE4T#A4% 

3E56P5&E4

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!$4E! %/E "RG$NISMS IN %/E "",#E4 #I%/ %/E 'R"'ER C",E7 '+ C@+ CA+CB+ ,

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• /er2ivore

• Carnivore

• $ consumer thateats only plants.

• $ consumer thateats other animals.

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• "mnivore   • $ consumer thateats 2oth plantsand animals.

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Native &s. Intrusive• -ative &pecies7 An organism that

has spent a long time 8tting into anecosystem. Alligator 

• #ntrusive &pecies7 An organism

that is new to an ecosystem andthrows it o9 balance. ,ion 8sh. 

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:hat did we learn'• Energy comes from the &un. #t powers

the entire food web.

• An Ecosystem is a community oforganisms and their nonliving

environment.• A food web can be made up of many

food chains.

•

A Producer  *grass; corn+ ma$es its ownfood

• A consumer  *man; whale+ consumesthe producers for food.

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Essential uestions

• 'ic- one of the follo(inguestions and (rite thenum2er and the ans(er at the 2ottom of the

2ac- of your notes.

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@. /o( is energy transferredfrom the Sun+ then cycledthrough all living organismsin an ecosystem6

A. /o( (ill the population ofa species 2e impacted 2ased

on its interaction (ith otherorganisms6