Daily Practice - GCSE Science
1st October 1993
- 1Variation, Evolution and Selection
State what is meant by a selection pressure.
- 2Ecology
Give one example of a biotic factor that could affect a population of rabbits.
- 3Ecosystems, Adaptation and Feeding Relationships
Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.
- 4Biodiversity, Cycles and Human Impact
State one method used to try to maintain biodiversity.
- 5Chemistry Required Practicals and Data Analysis
Give the resolution of a burette that can be read to the nearest half of a small division.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1993, including the monthly compilation PDF.