5 of the ESS glossary’s terms, each with the part of the syllabus where you first meet it.
A square frame of known area, often divided into smaller squares, used to sample non-mobile or slow-moving organisms.
Data recorded as descriptions, categories or words rather than numbers, such as observations of weather or respondents' answers to open questions.
Data recorded as numbers from counts or measurements, such as the number of plants in a quadrat or dissolved oxygen concentration in mg per litre.
The current geological period, which began about 2.58 million years ago and is characterised by repeated cycles of glacial and interglacial periods.
A set of written questions given to a sample of people to collect data on their knowledge, behaviour, attitudes or values, using open or closed questions.