Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd June 1997

5 questions · GCSE · 584 questions in this band

1
DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
2
Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
3
Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
4
Ecosystems, Adaptation and Feeding Relationships
State what is meant by the term ecosystem.
5
Biodiversity, Cycles and Human Impact
State one human activity that reduces the amount of land available for other organisms.

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