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National 5 Biology 3.2 Distribution of Organisms Flashcards | StudBud
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National 5 Biology 3.2 Distribution of Organisms
National 5 Biology 3.2 Distribution of Organisms
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Questions
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Answers
1
What type of meter is used to measure light intensity?
Moisture
Thermometer
pH
Light
2
What is the name given to a
living
factor that influences where an organism can live?
Abiotic Factor
Biotic Factor
3
What type of meter is used to measure moisture?
pH
Thermometer
Moisture
Light
4
What type of instrument is used to measure temperature?
pH meter
Moisture meter
Light meter
Thermometer
5
Which of these is NOT an error when using a light meter?
Not cleaning the probe between readings
Shading the light meter
Light intensity may change because of cloud cover
6
Which of these is NOT an error when using a pH meter?
Not pushing the probe deep into the ground
Not taking enough samples
Not cleaning the probe between readings
Take more samples
7
Why are quadrats used in sampling?
To sample the small invertebrates that live on the ground
To identify organisms
To estimate the abundance of plant or slow moving animals
To trap small invertebrates
8
Which of the following shows ALL abiotic factors?
Temperature, light intensity, pH, grazing
Temperature, pH, light intensity, food availability
Temperature, pH, light intensity, soil moisture
Predation, disease, grazing, food availability
9
Why are paired statement keys used in Biology?
To sample animals
To identify organisms
To indicate levels of pollution
To sample plants
10
Which techniques can be used to sample plants and animals?
Quadrats and Pitfall traps
Pitfall Traps and Moisture meter
pH Meter and Light meter
Light Meter and moisture meter
11
Which techniques can be used to sample abiotic factors?
pH Meter, Moisture meter, Light meter and thermometer only
Light Meter, thermometer, pitfall taps and quadrats only
Quadrats, pH Meter, Moisture meter and thermometer only
Pitfall Traps, light meter, pH meter and Moisture meter only
12
Which of the following shows ALL biotic factors?
Temperature, predation, grazing, soil moisture
Competition for resources, light intensity, food availability,
Temperature, pH, light intensity, soil moisture
Competition for resources, disease, food availability, grazing, predation
13
What is the name given to a species which indicates pollution level by its presence or absence?
Indicator Species
Predictor Species
Pollution Species
14
Which of these is NOT a method to minimise errors when using a light meter?
Take all measurements at the same time of the day
Clean the probe between readings
Avoid shading the light meter
15
Which of these is NOT an error when using a pitfall trap?
Sample may not represent the whole ecosystem
Birds may eat trapped animals
Some animals may eat others
Camouflage the opening
16
Whcih plant has the greatest abundance in 2012?
Pink campion
Meadow grass
Ragwort
17
Which of these is a method to minimise errors when using a pH meter?
Take more samples
Not pushing the probe deep into the ground
Clean the probe between readings
18
From the table, what is the abiotic factor which is affecting moss coverage?
Light intensity
pH
Temperature
Moisture
19
What is the name given to a
non-living
factor that influences where an organism can live?
Abiotic Factor
Biotic Factor
20
Why are pitfall traps used in sampling?
To trap plants
To identify organisms
To sample the small invertebrates that live on the ground
To sample plants and slow-moving animals
21
What sampling technique is shown in the diagram?
Pitfall trap
Quadrat
22
Which of these is NOT a method to minimise errors when using a quadrat?
Clean the probe between readings
Ensure random placement of quadrat
Only count square if more than half of the plant is in the square
Take more samples
23
Which of these is an error when using a thermometer?
Not giving thermometers enough time for the alcohol to fully rise/fall
Taking enough measurements
Allow thermometers to stabilise before taking a reading
Not wiping the thermometer between readings
