<Ul> <Li> Biotic -- Biotic resources are obtained from the biosphere ( living and organic material ) , such as forests and animals , and the materials that can be obtained from them . Fossil fuels such as coal and petroleum are also included in this category because they are formed from decayed organic matter . </Li> <Li> Abiotic -- Abiotic resources are those that come from non-living , non-organic material . Examples of abiotic resources include land , fresh water , air , rare earth metals and heavy metals including ores such as gold , iron , copper , silver , etc . </Li> </Ul>
natural resources can be divided into what two categories
Biotic Abiotic