Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
9th November 2021
- 1Inheritance, Variation and Evolution
State one difference between selective breeding and genetic engineering.
- 2DNA, Genetics and Inheritance
In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 3Variation, Evolution and Selection
Define speciation.
- 4Ecology
Give one example of an abiotic factor that could affect where a plant species grows.
- 5Ecosystems, Adaptation and Feeding Relationships
A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
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