Daily Practice · GCSE Science

Daily Practice - GCSE Science

1st September 1996

5 questions · GCSE · 584 questions in this band

1
Variation, Evolution and Selection
Name the scientist who proposed the three-domain system of classification, and name the three domains.
2
Ecology
State one structural adaptation of a polar bear that helps it survive in a cold environment.
3
Ecosystems, Adaptation and Feeding Relationships
In a grassland food chain, the biomass of grass available is 8400 kg and the biomass transferred to the rabbits that eat it is 940 kg. Calculate the percentage efficiency of biomass transfer from grass to rabbits, to 3 significant figures.
4
Biodiversity, Cycles and Human Impact
Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
5
Chemistry Required Practicals and Data Analysis
In the rate experiment where a cross disappears, why is the result subjective?

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