A seedbank stores seeds from many different plant species. Why are seedbanks important?
They store biodiversity in case species become extinct in the wild.
They make new plant species by mixing seeds from different plants.
They stop any mutations happening in the seeds of rare plants.
They provide the seeds that farmers use to grow food every year.
122 exam-style questions on OCR GCSE Biology 5.2 Natural selection and evolution, covering 5.2.1 Genetic variation within a population, 5.2.2 Developments in classification systems, 5.2.3 How evolution occurs through natural selection, 5.2.4 Evolution as change over time, 5.2.5 Evidence for evolution, and 5.2.6 Darwin and Wallace. Each one has a worked solution and a mark scheme showing where the marks go.