3.1 Biotic and Abiotic Features

8/16/2019 3.1 Biotic and Abiotic Features

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Teacher: Mr Fellows

Modules:

Local Ecosystems (20 hours)

Patterns in Nature (40 hours)Life on Earth (30 hours)

Eolution of !ustralian "iota (30hours)

Preliminary "iolo#y 20$2


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!im of %ta#e & "iolo#y

To 'roie learnin# e'eriences throu#hwhich stuents will:

ac*uire +nowle#e an unerstanin#

a,out funamental conce'ts relate toliin# thin#s an their enironments-the historical eelo'ment of theseconce'ts an their a''lication to

'ersonal- social- economic-technolo#ical an enironmentalsituations


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!im of %ta#e & ,iolo#ycontinue'ro#ress from the consieration of

s'eci.c ata an +nowle#e to theunerstanin# of moels an conce'ts

an the e'lanation of #eneralise,iolo#y terms- from the collection anor#anisation of information to 'ro,lem/solin#- an from the use of sim'le

communication s+ills to those whichare more so'histicate


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!im of %ta#e & ,iolo#ycontinueeelo' 'ositie attitues towars

the stuy of liin# thin#s- theenironment an the o'inions hel

,y others- reco#nisin# theim'ortance of eience an theuse of critical ealuation of

ierent scienti.c o'inions relateto arious as'ects of ,iolo#y1


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more informationFor more information a,out "iolo#y

'lease isit the "oar of %tuieswe,site: htt':

www1,oarofstuies1nsw1eu1ausylla,ushsc,iolo#y1html

http://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.htmlhttp://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.htmlhttp://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.htmlhttp://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.htmlhttp://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.htmlhttp://www.boardofstudies.nsw.edu.au/syllabus_hsc/biology.html


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Part of the Local Ecosystems Module

%'otli#ht "iolo#y Preliminary Tet Chapter 3

!uthors: 1 5eernan- 61 "astina- "1 7riee-81 5um'hreys- !1 %artor

%cience Press 2002

Po'ulations an communities To'ic $: "iotic an !,iotic Features


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9utcomes:

"y the en of this Moule you shoul ,ea,le to:escri,e an com'are the ierences

,etween a,iotic an ,iotic characteristicsof a*uatic an terrestrial enironments

E'lain how the istri,ution- iersity annum,ers of 'lants an animals foun in

ecosystems are etermine ,y ,iotic ana,iotic factorsE'lain how each local a*uatic or

terrestrial ecosystem is uni*ue


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9utcomes continuedentify the factors eterminin# the

istri,ution an a,unance of a s'ecies ineach enironment

;ecall some im'acts of human actiitieson ecosystems

escri,e strate#ies use to consere-maintain an 'rotect the *uality of the

enironmententify an escri,e in etail aa'tations

of a 'lant an an animal to the localecosystem


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9utcomes continued You should also be able to:Plot a e#etation transect

Estimate the si


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"iotic an !,iotic Features

=nerstanin# why certain animalsli+e liin# in a 'articularenironment is more im'ortant

toay than eer ,efore1 5umans areconstantly interactin# with theenironment an causin# chan#es to

ecosystems1

caraanancam'in#nsw1com1au


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"iotic an !,iotic Features>e nee to 'reictwhich systems will,ene.t from humaninterention- whichwill tolerate ourin?uence an whichwill ,e ama#e ifwe istur, them1>e also nee to

unerstan the lin+san relationshi's,etweenecosystems1

illawarramercury1com1au


12/27

Enironments/!,iotic an "ioticFeatures

Biosphere is awor use toescri,e the

re#ions ofEarth@s surfacewhere or#anismscan surie1

This inclues air-water an lan1

earth1com


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>ithin the,ios'here- acommunity is a

#rou' of 'lants-animals anmicro,es thatlie to#ether in a#ien area callea habitat.

animalsanha,itats1wor'ress1com


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The wor ecosystem is short for anAecolo#ical system@an inclues all the

or#anisms within acommunity an theirenironment1

The environment

refers to all theconitionssurrounin# anor#anism1

householoaith1com1au


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There are twoierent 'artsto the

enironment:/Liin#: BioticA,iolo#ical@

/Non/liin#:AbioticA'hysical@

saarc/sa+n1or#


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The Abiotic enironment incluesall of the conitionscreate ,y non/liin#com'onents of anor#anismssurrounin#1

/%unli#ht- heat-moisture- win anwater currents- si


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The Biotic enironment consists ofall the liin# or#anisms in a ha,itat1

/The s'ecies that may ,e foo-

'arasites- 'reators- com'etitors orany other liin# or#anism1

htt':,a,yanimal


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>e will re#ularly com'are the ,iotican a,iotic characteristics ofierent a*uatic an terrestrial

enironments howeer it@ssometimes iBcult to se'arate thetwo1 Consier an earthworm liin#

in the soilD

en1wi+i'eia1or#


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5a,itat: >here an or#anism lies

The 'hysical location that surrounsan or#anism is its habitat. This iswhere an or#anism lies1 >ithin

eery ha,itat are microhabitats that are not always o,ious1 Eachmicroha,itat has it@s own

tem'erature- humiity- win s'eeect1 These can ,e referre to as amicroclimate1

en1wi+i'eia1or#


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5a,itat: >here an or#anism lies

Consier newly#erminatin# sees-small insects or,acteria liin# unerthe ,ar+ of a #um tree1!ll that matters are theamounts of li#ht-nutrients- tem'eraturean moisture aaila,lewithin a few millimetresof their location1

,lo#1nus1eu1s#


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!a'tations

!n adaptation isany internal ,oy'rocess of cells or

tissues- 'hysicalfeature or 'attern of,ehaiour in a liin#thin# that ma+es it,etter a,le to suriean re'rouce in itsenironment1

#racefrea+an1wor'ress1com


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!a'tations

f you loo+ alon# theroc+s of our coastline- tosome they may a''earlifeless1 5oweer you

may notice little lim'etsthat clin# ti#htly to theroc+s an are not washeo ,y waes1 They can

also surie out of thewater when it@s hot anry1 They hae aa'teto these conitions1

theseashore1or#1u+


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!a'tations 6ust ,ecause a 'lant or

animal is foun in alocation oes not mean ishas any s'ecial aa'tationsto that enironment1 f we

consier salt,ush- it will#row in your well watere#aren at home1 5oweerit has no s'ecialaa'tations to that

enironment1 t woulactually ,e is'lace ,yother 'lants in the #arenwithout human hel'1

hollen,ac+1',wor+s1com


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!a'tations

t normally #rows on the ry saline 'lainsof N%>1 t@s well adapted to a ry ansalty enironment an thries on the

western 'lains ,ecause it is one of thefew 'lants that can #row there1

#raemecha'man1com1au


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5omewor+

!t the conclusion of most lessons youwill ,e #ien a tas+1 This will often ,ea few short answer *uestions lin+in#

irectly to the outcomes of thecourse1 !nswer these *uestions inyour note,oo+ an ,e 're'are toiscuss net lesson1 will ,e notin#

whether or not you hae attem'tethese1 (see eam'le net slie)


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Note,oo+ scaol

Module Heading

To'ic 5eain#

$1 uestionD1

21 uestionD1

Example:

Local Ecosystems

"iotic an !,iotic Features

3. Identify the ,iotic an a,iotic factors aectin#the lies of lim'ets on a roc+ 'latform1

/!nswerDDDDDDDDDDDDDDD


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5omewor+

1. Identify the ,iotic an a,ioticfactors aectin# the lies oflim'ets on a roc+ 'latform1

2. Contrast an enironment with aha,itat

3. Compare the features of a

ha,itat with a microha,itat1

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3.1 Biotic and Abiotic Features