Glossary

• Binomial system = a system of naming organisms using the genus and species name
• Biodiversity = the variety of different species in an ecosystem
• Biomass = matter from recently living organisms which is used for bioenergy production
• Chance = something that did not happen by design
• Communities = group or association of populations of two or more species occupying the same geographical area
• Courtship behaviour = set of display behaviours in which an animal attempts to attract a mate
• Domain = highest taxonomic rank of all organisms taken together
• Ecosystem = system that environments and their organisms form through their interaction
• Generic name = genus to which a species belongs
• Habitat = physical and biotic factors that are present in an area
• Intercropping = growing crops among other plants of a different kind, usually in the space between rows
• Interspecific variation = variation that occurs when comparing individuals of differing species
• Intraspecific variation = variation among individuals of the same species
• Nitrogen-fixing crop = inert atmospheric nitrogen is converted into a usable form of nitrogen by symbiotic bacteria
• Phylogeny = representation of the evolutionary history and relationships between groups of organisms
• Sampling bias = bias in which a sample is collected
• Specific name = Latin binomial name of a species
• Taxonomy = practise and science of categorisation or classification