Correlation - GCSE Biology Definition

Correlation is a term used in science to describe a relationship or connection between two things. In GCSE Biology, you might look for correlations to understand how one factor might influence another. For example, you could explore the correlation between the amount of sunlight a plant gets and how fast it grows. If two factors have a positive correlation, as one increases, the other tends to increase too. If they have a negative correlation, as one increases, the other tends to decrease. However, it's important to remember that correlation does not always mean one thing causes the other, it just shows that a relationship exists between them.