Key terms & definitions

An animal that feeds on primary consumers.

A carnivore that eats primary consumers and occupies trophic level 3.

A consumer that eats a primary consumer.

Information already collected or published by someone else and used in an investigation.

Data originally collected by somebody else, such as information taken from a published database.

Data that already exists and is reused in an investigation.

Existing information collected by others, such as published body measurements, product reviews or manufacturers' data.

Information already collected by someone else, which a researcher uses for a new investigation or analysis.

Pre-existing information that a researcher reuses rather than collecting first-hand for the current investigation.

An indirect consequence resulting from a hazard's primary effects, such as food shortages following crop destruction.

The faster and larger specific immune response that occurs when the same antigen is encountered again.

The faster, stronger specific immune response that occurs when the body encounters an antigen it has encountered before.

A consequence of a primary impact, such as unemployment following the destruction of a business.

The potential difference across the output coil of a transformer.

Poverty in which a household’s income could cover basic necessities, but spending on other things leaves too little to meet those needs.

A practical moral rule derived by reasoning from a primary precept.

The transformation of primary-processed ingredients into a new food product, such as flour into pasta or milk into yoghurt.

Examining existing information that was collected for another purpose; also called desk research.

Research using information already collected by others, such as books, catalogues, product reviews or published technical data.

The use of information already produced by others, such as published statistics, reports or news articles.

Research using information already collected by another person or organisation.

Economic activities that manufacture goods or construct buildings, such as steel production and car manufacturing.

The part of the economy concerned with processing raw materials and manufacturing goods.

A feature that develops at puberty and distinguishes the sexes but is not itself a reproductive organ, such as breast development or a deeper voice.

A physical feature that develops at puberty but is not a reproductive organ, such as breast development.

A physical feature that develops at puberty but is not itself a reproductive organ, such as breasts or a deeper voice.

The learning of norms and values through agencies beyond the family, such as schools.

Information collected or produced by someone else, rather than gathered first-hand by the person using it.

A later study or interpretation of evidence from the past, such as a modern historian’s book or article.

Information or research already produced by others, which a researcher uses for a new investigation.