Daily Practice

GCSE Science

16th December 1987

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
2
DNA, Genetics and Inheritance
State one ethical concern raised by embryo screening.
3
Variation, Evolution and Selection
State one advantage and one disadvantage of selective breeding in farm animals.
4
Ecology
Name the equipment used to measure the abundance of a small plant species within a sample area.
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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