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BIOLOGY
UNIT 3 KA 2
Question | Answer |
---|---|
What is a Biotic Factor? And give 3 examples | A living factor that can affect the distribution of organisms. Food availability/ Competition/ Grazing/ Disease/ Predators |
What would Competition occur? | Competition can occur if organisms are competing for the same resources that are in short supply. |
What is Grazing? | A method of feeding in which a HERBIVORE feeds on plants such as grass. |
What are 3 levels of grazing ? | High intensity - Moderate - Low intensity |
2 Examples plants and animals may be in competition for? | Plants - Light intensity/Root space/Moisture Animals - Territory/Mates/Food supply/Water |
What is a Abiotic Factor?Give 3 examples | Are non-living factor that can affect the distribution of organisms. Temp/PH/Light Intensity/Moisture |
Sampling Techniques for Plants and Animals? | Plants= Quadrats Animals= Pitfall Traps and Net sampling |
What is Indicator Species? | Species that by their presence, abundance or absence indicate environmental quality / levels of pollution in the enviroment |