Organisms are made up of cells. Most organisms are multicellular and have cells that are specialised to do a particular job. Microscopes are needed to study cells in detail. Cell division - AQA ...

The questions "What are species?" and "How do we identify species?" are difficult to answer, and have led to debate and disagreement among biologists. See how consensus on answers to these ...

The Organismal and Evolutionary Biology Research Programme (OEB) investigates factors relating to the evolution of plants and animals, as well as their adaptation to stress and a changing climate.