A scientist was observing a population of sea cucumbers in coastal waters. Over a 10-day period, she collected the following information about the distribution of the individuals within a 10-meter square plot: Distribution of Sea Cucumbers within a 10-Meter Square Plot Time of Day Average Distance between Individuals (cm) Midnight 7.0 4 a.m. 7.8 8 a.m. 43.7 Noon 172.0 4 p.m. 349.5 8 p.m. 58.9 Midnight 7.0 Use the data above as a basis as you answer the following questions:

Identify THREE biotic or abiotic factors that could cause the sea cucumbers to vary their distance from each other throughout the day.