Daily Practice

GCSE Science

7th December 1989

5 questions · GCSE · 584 questions in this band

1
Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
2
Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
3
Ecosystems, Adaptation and Feeding Relationships
State what is meant by the term ecosystem.
4
Biodiversity, Cycles and Human Impact
State one human activity that reduces the amount of land available for other organisms.
5
Chemistry Required Practicals and Data Analysis
Why is a polystyrene cup with a lid used in energy-change experiments?

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