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the domain that contains prokaryotic micro-organisms. Some live in extreme environments, such as hotsprings. Because of some similarities with eukaryotes the Archaea are more likely to be the ancestors of eukaryotes than the Eubacteria.
(also called radioactive dating) a method of measuring the age of fossils based on how much...
a molecule that accelerates (speeds up) a chemical reaction, by lowering its activation energy,...
many-celled, complex organisms with cell differentiation and specialised tissues performing life...
a reproductive structure in fungi that is a bit like a seed. But unlike a seed, it can be...