Daily Practice · GCSE Science
Daily Practice - GCSE Science
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13th September 1997
- 1DNA, Genetics and Inheritance
A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
- 2Variation, Evolution and Selection
State what is meant by a selection pressure.
- 3Ecology
Give one example of a biotic factor that could affect a population of rabbits.
- 4Ecosystems, Adaptation and Feeding Relationships
Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 5Biodiversity, Cycles and Human Impact
Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1997, including the monthly compilation PDF.