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Om te onderskei tussen herbivore, karnivore en omnivore

Module by: Siyavula Uploaders. E-mail the author

NATUURWETENSKAPPE

Ekosisteem en omgewingsbalans

OPVOEDERS AFDELING

Memorandum

Opdrag 11:

  • Leeu
  • Blouwalvis (grootste soogdier)
  • Vlermuis
  • Miervreter en krimpvarkie

What do you remember?

(i) ‘n Ekosisteem word gevorm deur alle lewende organismes wat mekaar en hul omgewing onderling beïnvloed

(ii) lug; water; son en grond

(iii) organisme – materie – energie

(iv) plante (produseerder); ruspes (primêre verbruiker); voëls (sekondêre verbruiker)

(v) perd; olifant

(vi) Karnivore is vleiseters en herbivore is planteters

LEERDER AFDELING

Inhoud

AKTIWITEIT: Om te onderskei tussen herbivore, karnivore en omnivore [LU 1.2, LU 2.1, LU 2.2]

3. MAKROVERBRUIKERS

(a) HERBIVORE

Hulle eet saadpeule, gras, blare en groentes. Hulle eet nie vleis nie en jag dus nie. Hulle word egter deur karnivore gejag. Hul liggame is aangepas om by hul leefwyse en eetgewoontes te pas.

Hulle het groot ore en hoor dus besonder goed. Party is gestreep (bv. koedoe, njala, sebra, ens.) om hulself te kamoefleer. Baie karnivore sien net skakerings van grys, swart en wit. Omdat karnivore nie tussen kleure kan onderskei nie, is die koedoe en ander bokke veilig terwyl hulle stil staan wanneer gevaar dreig.

Die meeste planteters kan baie goed sien. Die oë is weerskante van die kop geleë, wat hulle 'n wye gesigsveld gee. Tesame met hulle goeie reuksin, is herbivore (bv. koedoes, sprinkane, springbokke, skape, konyne, hase, ens.) gedurig bedag op gevaar!

Opdrag 11

Skryf 'n kort verslag oor een van die bogemelde diere deur die oë, ore, reukvermoë, kos en vyande te beskryf.

MY VERSLAG OOR ‘N. . .

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

LEERKRAG ASSESSERING

Table 1
KRITERIA 1 2 3 4
Navorsing korrek gedoen _____ _____ _____ _____
Data sinvol neergeskryf _____ _____ _____ _____
Verslagdoening volledig _____ _____ _____ _____

(b) KARNIVORE

Soogdiere vorm die grootste groep karnivore. Dit sluit die katfamilie (wildekatte, leeus, luiperds, tiere, en huiskatte) en die hondefamilie (wolwe, jakkalse, vosse, wildehonde en huishonde) in.

Hulle is normaalweg jagters wat eers hul prooi moet vang voordat hulle dit kan eet. Karnivore hoor en ruik goed en het sterk, spits kake om na die prooi te hap en stukke vleis af te skeur. Die oë is aan die voorkant van die kop geleë, dus kan hulle goed fokus en afstand akkuraat skat. Hulle het ook sterk bene wat hulle in staat stel om vinnig en rats te wees wanneer die prooi gejaag word. Hulle hardloop blitsvinnig oor lang afstande sonder om moeg te word.

Karnivore kom oral voor:

  • op land _________________________________________________________
  • in die see_______________________________________________________
  • tussen voël_____________________________________________________
  • en in die insektewêreld____________________________________________

Gee 'n toepaslike voorbeeld van elk in die spasie wat voorsien word!

(a) OMNIVORE

Omnivore eet 'n verskeidenheid voedselsoorte, wat vleis en groente insluit. Bobbejane, rotte, kakkerlakke en die mens is almal voorbeelde van omnivore.

Hulle het normaalweg klein oë en ore wat aan die voorkant van hulle kop geleë is.

Onthou jy?

SUMMATIEF: 10

(i) Verduidelik die term ekosisteem:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(1)

(ii) Noem DRIE voorbeelde van bronne uit die nie-lewende omgewing:____________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(3)

  1. (i) Voltooi die volgende diagram:
Figure 1
Figure 1 (graphics1.png)

(2)

(iv) Herbenoem die lewende organismes in die ekosisteem:

Plante

ruspes

voëls

valke

_____________________________________________________________________

tersiêre verbruiker

_____________________________________________________________________

(1)

(v) Noem TWEE voorbeelde van herbivore:

_____________________________________________________________________

_____________________________________________________________________

(2)

(vi) Hoe verskil die kos van karnivore en herbivore?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(1)

(vii) Kies 'n voorbeeld van beide 'n karnivoor en 'n omnivoor. Beantwoord dan die vraelys om sodoende 'n vergelykende studie te doen: (Julle mag in groepe van 2 of 3 werk.)

Table 2
Kriteria My voorbeeld van ‘n karnivoor:______________________ My voorbeeld van ‘n omnivoor:______________________
Posisie van die oë ______________________ ______________________
Grootte van die ore ______________________ ______________________
Gunsteling kos ______________________ ______________________
Waar en hoe word kos verkry? ______________________  
Beskryf die bene ______________________ ______________________
Vyande? Wie? ______________________ ______________________
Bepaal of die volgende sintuie baie goed, goed of swak is en gee redes vir jou antwoorde:
Reuk ______________________ ______________________
Gehoor ______________________ ______________________
Sig ______________________ ______________________
Figure 2
Figure 2 (graphics2.png)

ASSESSERING

Leeruitkomste 1:Die leerder is in staat om met selfvertroue op weetgierigheid oor natuurlike verskynsels te reageer, en om binne die konteks van wetenskap, tegnologie en die omgewing verbande te ondersoek en probleme op te los.

Assesseringstandaard 1.2: Dit is duidelik wanneer die leerder ondersoeke uitvoer en data versamel.

Leeruitkomstes 2:Die leerders ken, interpreteer en pas wetenskaplike, tegnologiese en omgewingskennis toe.

Assesseringstandaard 2.1: Dit is duidelik wanneer die leerder betekenisvolle inligting onthou.

Assesseringstandaard 2.2: Dit is duidelik wanneer die leerder inligting kategoriseer.

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Definition of a lens

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A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

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What are tags? tag icon

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