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PowerPoint: Interactions in the Environment

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This is the 2nd powerpoint out of 3 in the Population Ecology series that covers the interactions (Predations, Parasitism, Commensalism, Competition, and Mutualism) in the environment. It also gives examples of each. English coming soon. Please note: Stuvia's minimum ask price is R50. I would have asked R25 but can't which is why they are added to the bundle so you can save that way.

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Interaksie in die
omgewing

, Graad 10
•Trofiese vlakke:

- Posisie van ‘n organisme in die voedselketting.

1. Produseerders:

- Fotisenterende plante wat hul eie organiese voedsel produseer
(koolhidrate).

2. Verbruikers:

- Kan nie hul eie voedsel vervaardig nie

- Direk/Indirek afhanklik aan produseerders of ander verbruikers

, Graad 10
2.1. Primêre verbruikers:
- Herbivore: Voed op produseerders
- Omnivore: Voed gedeeltelik op produseerders.


2.2. Sekondêre verbruikers:
- Karnivore: Voed op primêre verbruiker.
- Aasvreters: Voed op oorblyfsel van dooie organi
- Omnivore: Voed gedeeltelik op diere.

, Graad 10
2.3. Tersiêre Verbruiker:
- Karnivore: Eet sekondêre verbruikers

Saprofiete: lewe van dooie of verrotte
3. Ontbinders: plant- of dieremateriaal.
- Saprofitiese bakterieë en swamme
- Afbreking van organiese verbindings tot anorganiese sto
- Anorganiese stowwe (minerale) word in die grond vryge
wat weer deur plante (produseerders) gebruik word.

Document information

Schooljaar
200
Uploaded on
May 23, 2021
Number of pages
35
Written in
2020/2021
Type
Presentation
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Unknown
R50,00

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