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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Levels Of Organisation (GCSE Biology)

The following is a GCSE Biology test covering 'Levels Of Organisation' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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Why is genetic diversity within a species important for its long-term survival?
In a food web, which organisms are primarily responsible for recycling nutrients back into the soil?
Which term describes the role and position of a species within its ecosystem, including how it obtains resources and interacts with other organisms?
What is the main ecological threat posed by invasive non-native species?
In a simple food chain, which organisms are producers?
Which statement best describes primary succession?
Which factor would most directly reduce the transfer efficiency between trophic levels (less energy passed to the next level)?
Which management strategy reduces soil erosion at the edge of agricultural fields and provides habitat for wildlife?
What does a pyramid of biomass show?
If a population’s carrying capacity is exceeded, which process is most likely to reduce the population size?
Which trophic level contains organisms that are usually unable to synthesise organic molecules from inorganic sources?