With regard to the ecological food chain,man is a

The zooplanktonic forms are

Which organisms are the pioneer species on bare rocks?

In a lake ecosystem,the rapid increase or explosion of a population is termed as:

In primary succession in water,the pioneer species are

Phytoplankton $\rightarrow$ Submerged plant stage $\rightarrow$ Floating plant stage $\rightarrow$ Reed-swamp stage $\rightarrow$ Marsh-meadow stage $\rightarrow$ Scrub $\rightarrow$ Forest. What type of succession does this sequence represent?