Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
23rd February 2013
- 1Ecology
Give one example of a biotic factor that could affect a population of rabbits.
- 2Ecosystems, Adaptation and Feeding Relationships
State one abiotic factor that can affect the population of fish living in a pond.
- 3Biodiversity, Cycles and Human Impact
State one way in which high biodiversity benefits an ecosystem.
- 4Chemistry Required Practicals and Data Analysis
Why is the burette rinsed with the solution it is going to contain rather than with water?
- 5Atomic Structure and the Periodic Table
Explain, in terms of electrons, why reactivity decreases going down Group 7.
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