
B15 and B16 Ecology (AQA Combined science biology)
Quiz by Mr R Horn
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What is the name of the square frame used in sampling?
Which type of sampling is used to estimate the population (abundance) of individuals in an area?
How should you decide where to place your quadrats during random sampling?
Which organism, in the food chain pictured, is a primary consumer?

Which type of sampling is used to investigate change in abundance, from one place to another?
Availability of water. Is this a biotic or an abiotic environmental factor?
Which organism, in the food chain pictured, is a producer?

Presence of a competitor.
Is this a biotic or an abiotic environmental factor?
What term is used to describe an organism that lives in challenging conditions (eg at high temperatures, high salinity, low pH)
Which organism, in the food chain pictured, is a secondary consumer?

Presence of a predator.
Is this a biotic or an abiotic environmental factor?
Light intensity. Is this a biotic or an abiotic environmental factor?
What term is used to describe an organism that lives in challenging conditions (eg at high temperatures, high salinity, low pH)
Which organism, in the food chain pictured, is a tertiary consumer?

Which types of organisms are decomposers?
Which types of organisms are detritivores (detritus feeders)?
Which of the following processes removes CO2 from the atmosphere?
Which key term means 'burning'?