[Solved] Fungi exist mainly in the form of slender filaments,barely visible to the naked eye,which are called ________. Time Series: A sequence of data points collected or recorded at time-ordered intervals, often used for forecasting and trend analysis. Cyclical Variation: Fluctuations in statistical or economic data that occur over regular periods due to seasonal or economic cycles. Directional Movement: A measure or concept in technical analysis used to predict the direction in which an asset's price is likely to move. Random Variation: Random Variation describes the unpredictable fluctuations or differences that occur in data or a process due to chance.