Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
26th March 2017
- 1DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 2Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 3Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
- 4Ecosystems, Adaptation and Feeding Relationships
State one abiotic factor that can affect the population of fish living in a pond.
- 5Biodiversity, Cycles and Human Impact
State one way in which high biodiversity benefits an ecosystem.
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