Daily Practice · GCSE Science

Daily Practice - GCSE Science

1st November 1997

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
Thermus aquaticus is a species of bacterium that lives in hot springs at temperatures that would kill most other organisms. State the name given to an organism that is adapted to survive in such extreme conditions.

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