Daily Practice · GCSE Science

Daily Practice - GCSE Science

30th March 1994

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
Define phenotype.
2
DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
3
Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
4
Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
5
Ecosystems, Adaptation and Feeding Relationships
Explain why a pyramid of biomass is never wider at the top than at the bottom.

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