Daily Practice

GCSE Science

8th July 1990

5 questions · GCSE · 584 questions in this band

1
DNA, Genetics and Inheritance
A man has genotype XY. State his sex, and state which sex chromosomes are found in the sperm cells he produces.
2
Variation, Evolution and Selection
State what is meant by a selection pressure.
3
Ecology
Give one example of a biotic factor that could affect a population of rabbits.
4
Ecosystems, Adaptation and Feeding Relationships
State one abiotic factor that can affect the population of fish living in a pond.
5
Biodiversity, Cycles and Human Impact
State one way in which high biodiversity benefits an ecosystem.

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