Which statement best describes ecological succession? A. It is always caused by human intervention.
B. It occurs after a disturbance.
C. It never occurs in a predictable pattern.
D. It is a series of rapid changes in an ecosystem.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

How do living things obtain phosphorus

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures