Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 2Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 3Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 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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